Is it because Gowers is now a part of an OpenAI-sponsored (?) group at IAS?
https://openai.com/index/advisory-group-on-mathematics-and-a...
6 karma · joined January 6, 2018
https://openai.com/index/advisory-group-on-mathematics-and-a...
Edit: imo, just another owner, a yawn for most employees/contractors. Part of the reason for the spin, combined with the need to placate the new owner.