So, throw away literally billions of users worldwide? Outside of USA, apple has a very, very small market share, and cheap (weak) android phones are the norm.
For example, Facebook ("lite") and google ("go") already optimize their apps to those markets. Why not eg McDonalds?
Not every business earns its revenue by casting the widest net possible. Focus on users who are known to have the discretionary funds to buy new iPhones and then you’ve also focused on users who aren’t as likely to penny-pinch when deciding whether to pay for your products.
For example, Facebook ("lite") and google ("go") already optimize their apps to those markets. Why not eg McDonalds?