That aside - never heard of xcancel and it seems great!!!
Gates and Buffet donated millions to public health initiatives. Musk has not. So this is just objectively not true.
Reply to the original now-flagged comment:
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This.
I might reword your statement to "musk isn't notably worse than...", & I will say twitter has significantly declined in many ways since he took over - both the software quality (many things no longer work - especially e.g. search - & people just frustratingly accept it because broken window theory I guess) & also many of the new features being objectively horrific (like Grok generating CPM on demand without ramifications).
However at its core Twitter is still the same Twitter it always was in terms of the toxic but politically engaged & zeitgeist-relevent live community discussion that takes place there. Reddit may rival it within some narrow selective niches but there's nothing else giving us what Twitter is giving us in terms of being connected to what is happening in international political culture. On both sides of the spectrum: conservative discourse is a lot more broad & active on Twitter than on Truth Social or similar, & outside of weird insular tankie Discord or Matrix servers, Twitter is also where it's at for leftist discourse; Bsky & Mastodon are both deserts.
I don't fully agree with the gp's statement - Musk is at least a little worse than most - but Gates in particular is a terrible counter-example. Especially in light of recent document releases.