Looking forward to monitoring the "death of twitter" and the victory of bluesky.
Like, Twitter is clearly _worse_ with promotion of bluetick replies than it was without it; I don't think that's really controversial. That gives platforms which do not do that an advantage. Do I think Twitter is outright unusable in its current state? No, though it's getting there. But it's certainly way more _unpleasant_ to use than it used to be, and increasingly viable alternatives exist, so it's unclear to me why you'd expect people to bother using Twitter.
For every person that mirrors your sentiment, there is someone who doesn't. And then the same would hold for your opinion about the relative usability of other platforms.
It's unclear to me why you'd expect "people" (in quotes bc using that word to encompass everyone is strange in this context) to not use X and to be more approving of other platforms.
Last, its unlikely that any platform that primarily exists as a response to another platform will ever have a primary use as anything else. For example, Bluesky's future is likely only to be as a protest platform contra X. This is its identity that it will have difficulty shedding.
I'm sure that Bluesky was having a normal one!
Cool. Twitter has made this much more difficult, by (a) embracing a pay-for-attention model, where bluetick replies, which are rarely worth looking at, are artificially promoted and (b) by making mass-blocking far more difficult (through the death of the API). So, people are sensibly going to Bluesky, which provides a better product, with sensible, choosable reply prioritisation, and a first-party blocklist system.
Like a big part of what's going on here is that Twitter is a way worse product than it used to be, while on the other hand better competing products exist in a way that they did not before. It's pretty natural under those circumstances that people go from the bad product to the good product. This is, broadly, how most dead social networks have died, both those which actively made themselves worse (livejournal, Digg, Tumblr), and those which were merely overtaken (Friendster, Myspace, Slashdot).