That is the user's solution. Patreon (the company having trouble with Apple) is not in the position to get ~50% of it's users to use a different phone.

Apple should not be allowed to be in the middle of business and half the users of the world.

And yes, that is very much something that governments have regulated for decades. In fact it's basically why anti-trust was invented. Train companies and deals with Standard Oil meant together they controlled the market since if you didn't go through them you couldn't ship your product.