Subs are not always bad, in Depay's eyes he wants to be in the main squad, but his role will be very useful. He was key in anticipation, but I also can't blame him when he wanted to be a mainstay at Barcelona, without that request he couldn't hold back any longer and kept raving about wanting to leave. What is certain is that Xavi as Barcelona coach knows what his team needs at this time.
Depay as a sub would be a big deal, plus he wouldn't be always a sub, Lewa would have to relax time to time and so will all the other offensive players and Depay could play in multiple positions. In fact, Barcelona built a team that could have two great offensive sides. One of them would be dembele, rapinha, lewa, and so forth, the other with gavi, fati, traore, aubameyang, depay and so forth.
Basically there are enough players to build two teams and that means we are going to end up seeing them change the players all the time, it is not going to be just once, it is going to be multiple times and that matters a lot, and people should realize that because they will play many games.