The key ingredient appears to be mass GPU and infra, tbh, with a collection of engineers who know how to work at scale.
I wouldn’t count on that if Microsoft’s legal team does a review of the training data.
The problem right now with GPT4 is that it's not citing its sources (for non search based stuff), which is immoral and maybe even a valid reason to sue over.
somehow everybody seems to assume that the disgruntled OpenAI people will rush to MSFT. Between MSFT and the shaken OpenAI, I suspect Google Brain and the likes would be much more preferable. I'd be surprised if Google isn't rolling out eye-popping offers to the OpenAI folks right now.