I don’t know anything about iOS, but I use FB on Android for the marketplace. I keep a prepaid sim card for giving a phone number to accounts like this. I throw away the sim every few years and burn the accounts and make new ones. FB is used from a browser in a seperate work profile on the phone to keep it isolated.
This sub obviously has a strong reaction against FB. But if you need to use it then put up what defended you can and go for it.
It is Katy Perry’s little known twin sister, Paty Kerry. Some people have given her the nick name of Emily Blunt, but that’s not her real name.