Do you think the players just like to play in those top European leagues clubs? The players are chasing good career so that they can play in those good clubs. If they are not chasing career, they could just stay in the country league if it is about passion. There is nothing like passion when it comes to money, but the players can enjoy playing in the clubs they are.
A player can have passion and yet not okay with where they are. In other word, they’ll want to play in top European clubs to be noticed. Aside the paycheck they’ll get. This I think also