In Kharkiv, they crumbled pretty much immediately because of how short-staffed and unprepared they were in the area. They really expected Ukraine would only attack in Kherson.
In Kherson, they fought tooth and nail, until their position became untenable; because Ukraine had successfully crippled their logistic flow with repeated attacks on Antonovski bridge and kept a mounting pressure. They held as long as they could. The decision to retreat had to come directly from Surovikin, who had by then recently been put in charge of the "special military operation", and it was very controversial despite all the prestige he had in Russia at the time.
And before that retreat order happened, we had seen the exact same thing as we're seeing now: "Ukraine's offensive is failing", "it's a hopeless meatgrinder", "Ukrainian casualties are several hundred thousand per day", etc. All the same nonsense because people expect real war to happen like it does in a video game where you can complete the entire campaign in a single day.
For historical comparison, in WW2, it took over a month to liberate Caen (Normandy landings on June 6, Caen liberated on July 9) and two months to liberate Avranches (August 1). Nearly three months for the liberation of Paris (August 25). And eleven months for German capitulation (May 8). And that was with immeasurably more means that what has been given to the Ukrainians (such as countless aircraft), plus the Germans also had to manage the Eastern and Southern fronts. So the guys who say "it's failed because it's been a month and they haven't planted their flag on Vladivostok yet" are just being stupid and/or disingenuous. I'm leaning on disingenuous because they never hold Russia to the same standard; after all Kyiv was supposed to have been taken 495 days ago.
In the meantime, we see new videos of exploded Russian materiel every day; while Russia is still recycling the same photos of disabled Leopard tanks again and again and again.
That's the issue. The Allies had significant men and material superiority and it still took them many months. But the West has given UAF peanuts and expect them to repeat the Allies' successes in France when the defenders are more numerous and technologically more advanced.
The Russians are releasing a lot of their own stuff too.
Once again, real war is not like a video game. 7500 tanks require logistic support for 7500 tanks. Russian logistics suck and would be very easily crippled by Western airpower. The Russian A2/AD network has been revealed to be not as good as it was hyped up to be, and so the West could easily target with long range missiles the various pipelines that allow Russian gas and oil to flow from East to West, immobilizing Russian troops. Once deprived of fuel, the tanks and mobile air defense units are stuck and paralyzed -- radars and weapon systems actually need energy to work, surprisingly enough -- so they can be destroyed at leisure.
And there's no way Russia could field 7500 T-90M. If they could do that, they wouldn't be sending their T-54 and T-55 to Ukraine right now. They're more likely to send in the T-34 next than to pull thousands of T-90 out of a hat.
The West caught the Russians with their pants down. They were yet to begin their modernisation, as stated before. All this time they were just inducting or upgrading Cold War era tech. All the new stuff is in production. The T-55s are for fire support, not for tank battles. How many videos of T-55s have you see destroyed at the front? Almost all of them are behind the lines, meant to protect the rear from saboteurs and partisans with small arms. The US will bring out their old Pattons as well, in a similar situation. In fact, some still use Patton in frontline combat service, like Turkey.
West has a considerable advantage in precision munition, optics including night-vision, and intel including satellite and aerial imagery. Those are huge force multipliers. All Russia can do by gathering scary numbers of troops is increasing their numbers of casualties.
Yeah, although it's still part of their modernisation process, the Russians are getting all that.
They even have some unique stuff.
A Russian Spy Satellite Is Stalking a U.S. Military Satellite, And the Pentagon Is NOT Happy
“We see that it’s in a similar orbit to one of our high-value assets for the U.S. government.”
www.popularmechanics.com
It's largely irrelevant to Europe because trade between Europe and Russia has been reduced to nearly nothing.
Referring to how cheap their weapons have become.
And Russia is not purely an exporter. They still rely on Western electronics that they need to import. Except that because of sanctions, they have to go through intermediary countries like Kazakhstan or Georgia to get them, and each added intermediary increases the price further.
Not for their military. Civilians can use whatever they can afford.
Also don't forget that they had to replace their export of refined fuels (very high profit margin since it is a manufactured product) to export of crude oil (very low profit margin as it's a primary resource), since India and China prefer to do their refining themselves so the added value is added at home and benefits their own industry. Europe was a uniquely profitable customer due to Western belief that a post-industrial status is what's best for the economy (thankfully this delusion is over after the Covid shock and the invasion of Ukraine).
Both have high profit margins.
Operating on deficit is only possible when you can borrow, meaning that there are lenders who are confident that you will pay them back anyway. If you don't find lenders -- you're in trouble. Who can lend money to Russia? The BRICS? The Arab states? Iran? North Korea? Don't make me laugh.
They raise it internally, in rubles. They don't have to rely on external financing, which was quite low in the first place.
Western doctrine is precisely to take local initiatives depending on the tactical situation. The whole "improvise, adapt, overcome" thing.
Whereas Russian doctrine is to execute the orders that come from the top, even when they're stupid and doomed to fail. Your order is to drive a tank forward, but your supply line is cut? You drive the tank forward until you run out of gas, and then you stay stranded like an idiot, because that's the order you had; and it's Russia so either you execute order, or you get executed.
There are other doctrines too, not just Western or Russian.