That is what we have now, but clearly people are averse to making a choice that they are not technically inclined to know how big or small the consequences of that are. My solution is a spitball one with obvious flaws, but essentially it is that the instance is picked randomly out of a group of very closely, if not identically aligned servers.
I mean old, un-Musked Twitter was what people wanted. Mastodon is similar, and I like it but it’s not Twitter (which personally I couldn’t get into even in its heyday).