> I don't know of anyone who's had a crypto wallet drained by a third party where the wallet was secure

This is going back to the rsync v Dropbox discussion.

Yes, those who know all the steps necessary can spin up their own encrypted file sync server. 99.5% of the remaining user base will use Dropbox or some other managed solution.

Same with Coinbase and all the other exchanges. "nOt yOuR kEys" is not a good argument when there are millions going into ads and influencer videos pitching Coinbase as the de facto crypto equivalent to regulated brokerages. On Robinhood, people don't move their funds back to their bank acct after every single transaction and they don't expect to do so in crypto either.