The FCC does not have oversight as to what programs are included on a smartphone. There was a 5 year period where you couldn’t delete ANY of the Apple apps. Go here to tell Apple you want to delete it: Feedback - iPhone - Apple
The app itself takes very little space and you can just stick it in a folder somewhere so you don’t see it. There are many other things you can’t do with your iPhone using the Apple iOS as you don’t own the operating system you only have a license to use it. You also don’t have a user accessible file system. You do have all those things if you select a phone using the android OS.,