Not saying it is right the thing to do. But people have constantly moaned about England not winning anything and asked The FA for answers. So they have looked at the most successful European teams - Spain and Germany. What do they do? They have their B teams in the league structure to offer...
Of course, the other option is you let top flight clubs take over smaller ones. Struggling Oldham with no money for example suddenly become the farming ground for Manchester City's young superstars.
Basically, what Chelsea have done with Vitesse