If someone took STEEM private and handed you the keys, you would have a lot more than money at your disposal. You would have all the voting power, too. That means that you could, if you wanted to, start by hand picking your favorite witnesses and developers to write the code for the next hard fork.

You could rework the whole system from the ground up. All you have to do is decide what the new rules will be.

Pretend that you have a eager and competent team of developers who can roll out your ideas in an orderly fashion. Assuming that your goal is a self-sustaining social network, what would you have them do?