Currently, App Store doesn't just review safety and UX, it also reviews whether or not Apple simply likes your idea or if you are competing with a feature they'

Currently, App Store doesn't just review safety and UX, it also reviews whether or not Apple simply likes your idea or if you are competing with a feature they've integrated into the OS. If the App Store remains the only method for installing apps, and Apple continues to reject apps that they simply don't like, then it's not a healthy platform for consumers in the end.