You're seeing it more on HN because there's a huge (IMO growing) overlap between HN commenters and Twitter users. The comments on Big Tech articles look identical to entire slices of Twitter. Some of the talking heads on HN who comment a lot also have moderately large Twitter followings.
Despite being in tech and working adjacent to Big Tech, in my circles only HN and Twitter users are this up in arms about Twitter. They seem to be more concerned about this than even friends of mine who work at Twitter (who are more peeved by the current instability in the company than anything going on with the product.)
It's fun popcorn on HN right now but if this continues it'll get pretty tiring IMO.