[runako]

> it's still up in the air if they "missed" AI yet (like MS missed mobile)

I think the clock on this won't start until someone ships something compelling that is not available on Apple devices. Currently, the leading AI tools have first-party iOS apps.

> Why did this team feel they had to leave Apple to create something like Sky?

No personal knowledge of that team, but the economics around an acquisition of an AI-based product in this market are very different from the economics around "generous bonus for shipping a successful product."