43 Billion Dollars!? Of all the important issues in the world, Twitter is where this sort of money might go? Twitter! Oy vey have we lost sight of whats important. That's enough to give every research PhD student in the USA a sorely needed extra $15k every year for the next ~50 years. Sure glad we aren't living in an age where incentivizing technological breakthroughs on a societal level is an important thing to do.…
It's not like he's spending it for nothing in return. He's buying a business that has the potential to be cash flow positive (although it's been a couple years). He must see potential to make the service better and make money doing it. I can't speak for him obviously but based on his prior large bets, he's willing to lose it all but that's never his intention at the outset.