No. 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

No. 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.