What if what if what if. What about his actions leads you to believe he's more capable of that than the thousands of people who were already working on it? If that were easy to do it would have been done, social media companies are full of people who care very deeply about this exact issue and who are also not absolute fucking neophytes at understanding and managing the constraints of a large social media network.
And what about the positive effects that twitter was already having? I'm part of something adjacent to and with overlap into the canadian disability rights movements; they are devastated by what's happening with twitter and widely considered it to be a unique and unprecedentedly powerful space for community and organization for them. It's not all shitposts and fascism you know.