Here's the thing. For trump, the insane ramblings are a feature, not a bug. For Biden, we need people to turn up and vote for him, and normal sane people don't want someone who seems checked out.
Comparing them is not even reasonable at this point, and Trump's supports are not reasonable
Snarky answer: that's all thats left on Twitter.
Real answer. Elon is trying to push a right wing agenda, and it has taken two forms, first, amplify anyone paying for Twitter blue, which is simply a pay for play system. The second is, Elon is a right wing dipshit who has pushed mostly non right wingers off the platform.