CNN literally cemented his nomination by what they did. He isn't going to do any debates, especially since CNN basically turned their entire network over to him for 70 minutes..
No, it really comes down to the content on the platform, and nothing will change about that. Elon is still in charge and is hostile to advertisers. Plus, he has already balkanized so many onto half a dozen other platforms now that the return on advertising there will be negative...