While the reps do not know what an UIDH is, they are equally appalled.
After explaining what it was and why I wanted to opt out, the conversation basically went like this:
"For ALL Verizon phones?"
"How do I check my phone?"
"Can you hang on a moment..."
"HEY!! Oh my! Please hold sir, I will find out how turn this off"
She fixed it for both of us