All the security features that he lists that are either missing or poorly implemented in Linux could be explained by the lack of a multi trillion dollar company developing Linux for profit
From what I've seen, security people tend to separate "privacy" from "security." Probably because the best security seems to always come at the expense of privacy, because profit. I agree with them that there is a massive trust difference that everyone can expect to have between Big Tech and Some Hacker, and it is basically that Big Tech is not going to steal your credit card info. It's not perfect and they might develop a surveillance tool that gets used by a hacker (and definitely the feds), but them seeing your most sensitive data is not much of a financial risk.
I would think that using Chromium for purchases and banking is safe enough for most people
nah bro. crypto is decentralized bro. you don't get it. my IQ is very high