He's using polls to create the image of user choice. When the polls are tampered with, receiving tens of thousands of votes from people on 4chan who know how to bot the polls very easily, it ruins that user choice.
Sure, he can do what he wants. But he's also the one who used complaints about bots to criticize Twitter and get out of his deal to purchase it. He's the one who whined about free speech and comedy being illegal, then banned anyone who mocked him. He's a tiny man with a huge ego and daddy's apartheid money that can't help but be a hypocrite.
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Musk posted all those graphs about how Twitter engagement and user numbers is up, among many other graphs shouting Twitter's success from the rooftops. Know what graph he didn't include? Income. Revenue. Advertisers willing to put their brands next to toxic bigotry and racism.
Most of the top 50 advertisers on Twitter pulled out, and the only ads running now are crypto scams and Holiday clickbait products. You know those things that are normally 199.99 but you can get it NOW for 49.99! Hurry this offer won't last!