Earlier quoted context omitted.
I think it's important not to confuse the goal with the action. I don't think he wants to become a politician. He wants to enact political change. These are two very different things. Saying "if he wants to enact political change, why not start as city councillor?" Well... how many democrats or republicans are pushing for change? No one who is born and raised in party lines is pushing for reform; they're doing the op…
I think he wants to be a celebrity and he wants people to buy his book.
He will be as popular as those ideas are popular, and it's his "job" to make those ideas popular. So yes, by that definition he wants to be a celebrity and he wants people to buy his book.
However, if he pushes forward ideas that just don't make sense, have bad narratives or don't connect with people's sentiment, he will be quickly forgotten.