On the one hand, the work permit is a measure taken to train local players. There are indeed many clubs in England that have made great efforts in training young people. For example, in the 199s, Leeds United and the Axes also produced many famous stars.

Now the Premier League is the most successful of the five major leagues, and the stars may be expensive, but most of them are genuine.

As for why the results have been poor, I am also from England.