THIS IS ONLY A VALID TAKE IF YOU BOYCOTT X FOR THE SAME REASON.
Once x.com becomes a custodial nsecbunker provider I think everybody who thinks Nostr is cryptographically unsound will be able to switch, knowing that their sacred keys will be finally safe.
Npcs need safety
I think at least the same account holder should be allowed to get another nsec generated if an email or phone number were registered for account recovery.