I usually read official reports. I have seen this channel. There are many specious things in it. There are many mistakes and it is not rigorous.
There are a couple of things you need to factor in before you arrive at a decision not only on Brahmos but other missiles of India , especially Brahmos.
To begin with India signed a JV with Russia for production of Brahmos way back in 1998 - 99 when India was not yet a member of MTCR but Russia was , which meant that any missile exported by a member nation to a non member nation or manufactured under ToT must necessarily be under 300 kms of range .
As you may be aware the Brahmos is based on the Onyx missile of Russia which has variants ranging from 300-800 kms ( 800 kms version was inducted by Russia in 2018-19 IIRC ) . After India was made a member of the MTCR in 2019 ( which China is not ) , we immediately started work on expanding the envelope of the range .
Almost overnight we had the 400 kms , 450 kms etc being tested successfully & inducted. We'd be testing the 800 kms version shortly. Please note that the overall dimensions of the missile remains the same . What does that tell you ? Moreover even when we declared the range as 300 kms officially , pls tell me which nation , leave alone India actually makes an honest declaration about these details. What does that tell you ?
THe fact of the matter is that these very missiles with ranges as described above were always available with us but we couldn't declare them openly due to restrictions of the MTCR which would've landed Russia in a spot . Ever since India's been accepted into the MTCR no such restrictions apply.
Unlike you , I don't think China was ever under any illusions then & now as to the true range & capabilities of the Brahmos as with other missiles in our inventory which they've pretty much called out whenever they wanted to .
Furthermore , as of now under the JV only the ramjet & the guidance system comes from Russia with the rest having been successfully indigenized. The ramjet & guidance system too could've been replaced by Indian ones except under the provisions of the JV we can't do so & the Russians have refused to oblige us. That's also why we haven't developed a similar platform as that would go against the letter & spirit of our agreement with Russia.
This is also why Russia trusts us with their latest equipment unlike China which has a history of reverse engineering such stuff & selling it internationally by competing & undercutting the Russians. This is also why we export these missiles to other countries viz Philippines under the JV after clearance from Russia .
We expect to be testing the Hypersonic version of the Brahmos in a couple of years . This again is based on the Russian Hypersonic Missile Zircon / Tsirkon. Apart from that we're co operating with Russia on other fields as the SFDR , SLBM , SSBM / SSN , etc .
FInally that content creator is a pretty trusted source . I've rarely seen him exaggerate performance of Indian weapons or platforms . He can also be critical about our shortcomings which he has been on various occasions. Unless of course you're referring to his videos on Chinese or Pakistani weapons & platforms about which he doesn't have a high opinion.
Trust that clarifies.