Why footballers are worth every penny

That's just bizarre.

If you pay the players that much less, then they'll play for clubs in other leagues without pay caps. This will lead to less revenue to clubs (less money from TV rights deals, less merchandising, etc).

If you brought this in across Europe, you'd have fewer professional players, either because they went into a different sport, or a different profession altogether.

But the article blithely assumes club revenues wouldn't be affected.