I think both Seb and Sam have said that it would’ve been simpler if the coauthor hadn’t worked at Anthropic so they’ve largely admitted they didn’t invite the collaborator as a coauthor because it would’ve look bad to have an Anthropic employee on the paper.
Looks like a lot of insecurity from OpenAI. At the top level researchers move around at their own will, you don’t decide who they work for
Yes. The key point being that this concerns a new paper about OpenAI's result rather than the paper Buckmaster and Alpöge were working on.
seems pretty short-sighted - "our models are so good that even our competitors use them for the most advanced tasks" is pretty powerful marketing