I think you've nailed it. What did he have on her and Bubba?
With all their baggage he could take his pick. I think George Soros or people connected to him had the final say as Obambi and the Clintons both work for the same people pretty much when it comes to saying who they will make it happen.
I think it was the baggage that probably was the foil and what did the Clintons in as far as the POTUS gig. Or at least a portion of it. And the powers that be didn’t want a loss that would hamper them from making their agenda happen.