This also sounds like idealism. And I speak as someone that works in cryptography-related spaces including PKI.
How many of those millions of people get compromised in some way, lose their ‘money’ and are then chided for poor opsec? How many don’t even bother with self-custody and just use centralised services like exchanges?
Honestly it all seems ideological.
I'm not even talking about digital assets. I'm purely talking about the ability of someone to sign their own emails without being dependent on a monopoly like Gmail to do it for them.
What is blockchain adding for this usecase that's beyond what PGP [1] offers?
The centralized platforms and social networks you reference have tens of millions to billions of users.
I would not be surprised at all if between all of them they do millions of password resets daily.
No matter how much the crypto community tries to force it people forget stuff and mess things up.
The concept of average users managing their own keys is DOA.
Edit — And whether we agree or not, this really seems to fall into an ideological space rather than being a practical thing.