I can't see how that could be correct. Firstly, if he runs product then there needs to be deep strategic alignment and he can't leave it to the CEO to "figure o

I can't see how that could be correct. Firstly, if he runs product then there needs to be deep strategic alignment and he can't leave it to the CEO to "figure out how to make money", secondly, it's not just fiduciary duties for the CEO (or at least that is a gross simplification) - my bet is Elon is thrilled to hand over some of the organisational structure, marketing, sales, people and finance operational and strategic aspects that aren't directly related to the unique vision of Twitter and the product and engineering processes itself. And as the owner and chair he'll still be very much involved with things at a high level too.