Usmanov has absolutely no chance of getting control of Arsenal, zero, Kroenke has said he's going to pass Arsenal down to his family when he's gone.
Usmanov isn't even on the board, Moshiri has left because he knows they can't get control and now he is in control of a massive club, with massive potential.
There may be a plan for them both to move away from Arsenal, this may be the first phase, we don't know, but I know this, this club does strange things to people, once Moshiri has been touched by this club and how special it is, he'll realise what he's got, and his best mate Usmanov may very well want in on the action.