Messi is an amazing player and he proved it in Argentina and Barcelona but recently he cannot have a good performance in PSG and that's all because of not having to focus and not having a good atmosphere in the team, I think Messi will have a much better performance after the returns to Barcelona where the fans love him and he will have the respect he couldn't have in PSG.
Am in doubt if Messi will return to BARCELONA. PSG fans may not like him that much which will somehow affects his performances in PSG, not felling loved by PSG fans can make him leave the club. And his performances will never be the same as when he was in Barca. He was so much loved and his performances were excellent.
But PSG fans are suppose to understand that he ia not getting younger anymore, the strength he had while in Barcelona has reduced to some point so they should just accept it the way it is. His presence alone is a huge positive different in the team