Giving chances to young players is OK. But what happens to these youngsters in the long run? They are given a few matches, and then they get forgotten. The PCB doesn't have a system where young players are properly groomed. The team remains overdependent on senior players such as Mohammad Rizwan, Babar Azam, Saud Shakeel, Shaheen Shah Afridi, Haris Rauf and Naseem Shah. Name one young player, who emerged during the last 2-3 years, and has a permanent spot in the playing XI. There are none.
The dilemma which is destroying Pakistan cricket at the moment is nepotism. Shaheen Shah Afridi is only in team because his father in law Shahid Afridi has great influence in PCB. Another flop all rounder that has made his way back in team is Shadab Khan, his father in law Saqlain Mushtaq has done the lobbing for his return to team without any improvement in his performance. Rizwan and Babar are dropped but they will be back soon. PCB is only interested in making a team by shuffling old players and that's why new players are not given enough chances to prove themselves.
I think whenever there is nepotism in a country's cricket board, that cricket board cannot move forward, we have seen this before in the case of the Bangladesh Cricket Board. In fact at one time I considered Pakistan to be one of the strongest cricket teams in the world but at the present time, i.e. in this ICC Champions Trophy, their performance seems to indicate that they are a team in the category of Zimbabwe. As you mentioned, maybe the Pakistan Cricket Board should give new players a chance because they should find new talent.