Aside from setting up payment, all of those issue are still present with Apple / Google payments. The difference is 3% (MC, Stripe, Visa) vs 30% (Apple, Google). That 27% can easily cover those issues and far, far more.
In fact, it's worse. Payment & fraud disputes are also bound to the marketplace. What are the chances that app devs will end up being the ones eating big losses just to continue to exist?
In fact, it's worse. Payment & fraud disputes are also bound to the marketplace. What are the chances that app devs will end up being the ones eating big losses just to continue to exist?