Yes, that's exactly it but I decided to frame it more neutrally ;]] Some Twitter users claim their feed is now grumpy, that "Twitter is not the same" . Obviously that's because many feel nowadays its not appropriate to express any form of happiness or positivity on Twitter :D Which stems from their attitude towards Elon Musk, so yeah in the end it all boils down to moderation policies and such.

A lot of crypto people are upset that Fediverse is yet another concept that's being appropriated and absorbed by Big Tech. Threads are supposed to be decentralized and are ran on ActivityPub protocol.