There's very little risk in signing if everything falls apart, but there's a lot of risk to not signing if Sam comes back on as lead.

> I find it hard to believe

I also find it hard to believe that anyone on HN interested in this space doesn't at least have a "friend of a friend" who works at OpenAI. Based on what I've heard (which is nothing particularly quotable), it certainly gives off the vibe of being exactly that "kind of environment"