I think it was all about spending a lot of time on the bench with Raheem Sterling on the left wing.
He's too good to be on any bench. It's no place for a player such as him.
If I was him I'd have probably left.
Plus playing for Germanys no 1 team will help him with the international team.
The last - no. That was never really a factor in this whole transfer saga. Löw decided after 2018 to change his system - and now it really is based on having two pacy skillfull wingers. Problem is - Germany with Gnabry and Sane just has 2 top class players of that category. If he is not injured he is playing.
The playing style at Bayern might comfort two wingers more than it does your system because the different players we have centrally. Lewy instead of Agüero/Jesus - and Müller/Kevin de Bruyne.
The other three players were Gnabry, Zirkzee and Perisic - not Davies. But what you have seen of the training sessions until now he has not lost pace after the ACL.