There are a million reasons why revenue sharing is a better-targeted, more effective way to engender a balanced competition than capping salaries.Yes if everyone signed up to it,it may work. Problem is though how can you cap salaries when clubs are constantly looking to drive at revenue by increasing the number of games that they have to play a season.
Unfortunately the only thing that matters is that the ownership class would rather steal from their employees than from each other.
The class solidarity of the global elite is ironclad.