People expect every app should behave the same. If an app/ecosystem/ideology etc. comes with a different approach, than peoe start to complain. Thats about habits and habits are the hardest things to be broken.
Discussion
Yeah but on the surface nostr is not that much different. You still have logins and servers.
Yes I agree but people are waiting for the same refistration and/or signin experience. But with pioneers like experienced users, developers, and ordinary people like us, #nostr style authentication will be more popular!