I read the article rather than watching the video. I noticed there seems to be quite a bit of (accidentally) duplicated text
There's a good chunk of this I'd disagree with, too. Suggesting the use of any Google service or product to someone concerned about privacy is absolutely bewildering to me.
Bitwarden is far and away the best password manager and recommending anything other than Bitwarden isn't great, really. Password managers are a bit like VPNs, lots of junk and big promises without much proof of anything, except Bitwarden is fully open source.
I think going into self-hosting is a bit self-indulgent and, honestly, not really appropriate for the intended audience. Self-hosting is a great choice for someone like the author, but for someone who is new to it, they're way more likely to misconfigure something and leave a major security hole.