It is a fact that most won’t be able to self custody. The ability to self custody will be there for the people that want it. Good luck convincing newcomers they should care about it, which is the real challenge not convincing them it’s possible to do it.
Then most will remain enslaved.
There are worse things than using custodians or ecash
This optimism should be shared with myriad individuals who have lost their entire net wealth from illegal gov’t seizures (e.g. EO6102), cancelled by NGO gov’t proxies for “unpopular views”, or theft/embezzlement via custodians like FTX/MtGox/et al.