That’s enlightening. It links to an article about self hosting a relay, which explains that, as I suspected, a relay does not have to mirror the entire network. It also seems that using a relay at all is an optional optimization.
It looks like the BlueSky AppView is not (yet?) open source. I wonder why nobody has built an alternative yet.
Yes. I think it’s good not to form opinions about subjects you don’t know much about.
When it comes to voting in an election, it’s possible to make good decisions about candidates without forming opinions about every policy issue. That’s kind of the point of representative democracy.