Just kidding, we can also have apps that automatically grab relays from friend recommendations or even recommendations by the app maintainers if nothing else is available, then use these for the user without them even knowing, and if they seem to like it keep using, but if they seem to dislike switch to other ones, all very automated and invisible and assuming the user has the intelligence of a worm, like the UX experts say we should do.

We can also do something in between, with suggestions that the user has to accept manually, or just making it easy for the user to, for example, click on a relay URL in a note from someone else and have the option to browse that relay and add it to a sidebar or topbar where they can go back there, then eventually add that relay to their own curated relay sets and recommend it to others, stuff like that. I don't have all the answer, as you may have noticed.