I read all the community notes on Elon Musk's X account. Here's what I learned,

The first thing to know about Community Notes on Elon Musk's tweets: there ought to be a lot more of them.

Community Notes, the Twitter/X fact-checks formerly known as Birdwatch, are often touted as one of the few good things to have survived the first chaotic year of Musk's ownership. These notes are user-generated, usually including links to high-quality sources. Like Reddit posts they live or die on upvotes ("helpful") and downvotes ("not helpful") — enough of the latter and they disappear.