I don't care about this in the slightest, but I will note that my phone recently updated to Android 11 without a single hiccup. If I'm going to be pestered with pointless updates, late and painless is the way to go.
Fleets were designed to make Twitter more attractive to people who don't want to use Twitter in the first place. Instead it was used primarily by people who use Twitter.
Twitter is at a loss to explain this, because the company is run by idiots.