It's interesting to compare the user responses to updates by Facebook and Twitter respectively. Facebook's UI has changed significantly over the last 15 or so years. Features have appeared and disappeared, boxes have been arranged and rearranged. But there's rarely a big fuss beyond it getting a little slower each time (roughly commensurate with consumer hardware speedup, in fact). People don't really notice and they…
I mean, I pretty much hated everything Facebook did since I used to have an actual news feed of things my friends did/said. Peoples profiles stopped being a place to go and put things. Conversations moved from wall to wall, to comments with the stupidest fucking nesting and ui I've ever seen.
I never really used twitter - so can't comment - but facebook drove me off their platform as much as I outgrew it.
As for noise/fuss - Twitter is a shouting platform where things snowball in a different way.