I don't even understand the way young players wants to leave Chelsea, is it that they don't have faith in the club anymore or they don't want to work with the new manager Mauricio Pochettino. Kai Havertz, Christian Pulisic, Mason Mount, Mendy have all been tipped to leave Chelsea and these are promising players and should be part of the team's project. No disrespect but old players like Thiago Silver and the likes should be packing their bags but the reverse is the case. I know Chelsea had some good additions come in the January transfer like Wesley Fofana, Mykhailo Mudryk, Enzo Fernandez etc but they management needs to do all they can to make sure that most of these players don't leave.
Some reasons why even young players are willing to leave chelsea
No strong vision
Intervention from owner
No chemistry (internal problem)
Bad management
Many more. The young players are willing to make his career even better in the football. that's why they were trying to leave from chelsea to find a new club that can make their career to be even better.
The previous season was a terrible season for chelsea. Chelsea is now starting to go back again to the what it must be. I think that chelsea has choices to sell some under perform players like havertz. Im not happy with what already done in the early of summer transfer season. So many targets were missing. The young players though that if they can make their career even better once they decide to leave from the club.
I can understand if they are feeling like that.