You definitely can't trust it, but you could still use it to orient yourself.
Versioning and capabilities are a shitcoin, manual hardcoding is the only way.
Discussion
so what's your position, seems like you want to agree with whoever is posing the question
seriously, this is well established protocols on network protocols since forever
i don't think you are stupid, because i read your code and i assume you wrote it who types right now but you clearly have holes in your understanding, and a lack of courage to stand by positions
you won't get anywhere long term if you don't stand for yourself at least