The board vote did it! They had a tender offer in the works that would have made employees millionaires. The board clearly signaled that they viewed the money-making aspects of the company as something to dial back, which in turn either severely lessens the value of that tender offer or prevents it from happening.

I mean, he didn't have a button on his desk that said, "torch the shares", but he ousted the CEO as a way to cut back on the things that might have meant profit. Did he think that everyone was going to continue to want to give them money after they signal a move away from profit motives? Doesn't take a rocket scientist to think that one through.

I think he was just preoccupied with AI safety, and didn't give a thought to the knock on effects for investors of any stripe. He's clearly smart enough to, he just didn't care enough to factor it into his plans.