In 2010, I had to install an internet connection in my Dad's home due to his dementia and recent cataract surgery, which he needed my help with every day but I had to work.
He was freaked out! He was soooo worried about the demunz.
He made it crystal clear he was not happy with it being installed.
And guess what? Absolutely NOTHING bad happened. Nothing at all.
Satan did not show up. Lightning bolts did not destroy the house. And neither one of us needed any specialized demunz protecting underwear.