Yeah but why would he go to Chelsea to be loaned out to some club in a minor league? He's gone past that point in his career. It's why he wants to leave PSG as he needs a lot more playing time, ideally as a starter or close to it at a good enough club/league to progress even further. Playing at Vitesse is not even worth it for him and he might as well stay at PSG where he still played a good number of games.