I've worked a support for Internet and SAAS companies. Without any way to recover accounts it limits Nostr's use for a majority of people I think.
Key management is not obvious, and most people just don't understand or care enough.
Discussion
If we can get at least a decent tech stack for all the people that value their personal sovereignty would be a good start. Let's hope it can be done on nostr. If not we'll come up with something else ✌️