Based on https://www.theverge.com/2024/11/14/24296537/bluesky-acting-up-outage-down it was down for 15-30 minutes and for some it was just read-only.
Lemmy instances regularly go down for maintenance longer than this.
Twitter used to regularly "fail whale" and in the long run no one cares.
Yes, decentralizing is a good thing. Yes, it's fun to poke at BlueSky. But in the long run if you have a product that people want to use then they'll put up with a lot of crap/downtime.