While I'm skeptical myself of Elon, it's best to hold off on criticism until after he actually implements something worthy of criticism, as he is mostly just doing spin currently. Now is the time to enjoy the lamentations of our enemies as he burns them out of their fortress.

There are certainly potential downsides to this strategy, such as the possibility of digital IDs, but making twitter profitable through subscriptions alone would nuetralize the power of advertisers over Twitter content. Converting people from the product to the customer is probably a good thing for the internet as a whole.