On the answer

Inception is one of the most senior OpenAI researchers on twitter, I feel even less confident in them as a team to be shepherding this much capital and compute. The dark forest awaits..

Hard to know if it is indeed what happened. Inception is one of the most important moments in the history of mathematics. We now have a non-human intelligence capable of solving one of the most difficult problems in mathematics. This doesn't seem to be a mathematician right now.