I can also see how legislation would worsen the situation by eliminating incentives for people to use alternative mobile stores and operating systems.
"Why use another store, when Google and Apple are required by law to have all apps?"
"Why use another store, when Google and Apple are required by law to have all apps?"
They aren't going to force Google and Apple to have all apps?
Stopping the stores from demanding that all apps have no method of payment except via their payment services (and its 30% cut) would be good. It would solve the situation in TFA at least.
That isn’t at all what is being proposed