Exactly. Clubs can do what they want, but if they want to play with other clubs, and those clubs want to play with rules, then the first club can choose to accept or decline.But even of that was proven, the Premier League is a private members club to all intents and purposes. Their rules are part of the membership.
You might as well say that your players are better at carrying the ball, so they should be allowed to use their hands. That's fine, but you need to find other clubs that want to play with the same rules.