They’ll install ANYTHING, no matter how hard it is and how shady the site is. They can’t help themselves.
Then their phone is rooted by a bad actor and spreading malware. Who do they blame? Themselves? The shady site? The creator of the trojan?
Nope. Apple. They’ll shout from the rooftops how Apple ruined their life and business and remand restitution.
The easiest and most reliable way to prevent this is to lock people in a walled garden and make sure they don’t poke themselves with anything sharp. Yes, it sucks for the smart ones who know that shart things hurt, but that’s the way it’s gotta be.