Asking if X will go bankrupt is not the right question. Elon has many untapped reserves of cash that he could use at any time to continue to pay the bills.

The guy just needs to speculate publicly on a cool sounding idea and a billion dollars in cash will fall out of a tree somewhere. That is his level of social status.

Bankruptcy happens when a company is imminently falling apart because there is no cash and a creditor repossessing things may disrupt other higher priority creditors. Therefore a judge needs to add order to the process which puts a legal hold on a lot of things. Unless Elon has some dramatic personal meltdown way beyond what we've already seen, that's really unlikely.

The real question is... How does Elon plan on making a profit from this thing if he's insulting those who are paying his bills today? He did float the idea of creating a super app that might handle payments and many other features. That has the potential to be a massive profit center if executed with precision. Perhaps the Twitter user base can be converted... Which would mean advertisers are no longer needed.

I would not be surprised if such a thing is in the works and would be announced when it's almost ready to launch.