Telegram refuses to work if you provide it with just 1 dummy contact.
Some other clingy apps also get pouty and demand full roll access each time you try to use a photo.
What's even worse: For years, Apple has also allowed many apps including Facebook/TikTok/Tinder to use the "iCloud Keychain" API to store invisible information that tracks you across app reinstalls and EVEN DEVICE RESETS, because it's stored in your iCloud account, and there's no way for you to see what is stored or manually delete it without going through FB/etc and no way to be sure that they are indeed deleting everything.
I've ranted about that a few times but people just shrug it off like wtf (I imagine other people who abuse these APIs want to keep it buried)
Now I'm not going to install any FB-related app on my new phone to test any other ways, because I'd rather not let them mark that device too if I can help it.