you'll get what you're given!

It's not that there's wallwt in every app hey! On the flip side, how can Nostr be proposing the "Zap" standard if there's no way for a new user to easily receive zap once the Nostr client is set up? If you were to tell him/her "hey, you need to download an another app and bla bla bla" he/she may be find it too much friction tp go through.