My entire adult life, I’ve heard various people tell me that I need to score my tabs after putting them on “so no one can steal them”. I’ve known many people like myself that find this idea absurd, and don’t bother with scoring. How did this idea become mainstream advice?
I’ve only ever heard the advice to perforate the vehicle registration sticker from one person, but supposing that it has become normalized advice, I have to imagine that it’s due to the low-effort, not necessarily the extraordinary security that it provides.
In a related situation, I’m often confused at folks who don’t lock their cars when going to the shops, since it’s adding an extra barrier for an opportunistic thief to cross. There’s no question that a motivated thief could just take a brick to the window, but it is indeed low effort to lock the car and if that’s enough to dissuade one theft of the car’s coin tray, then that’s good enough.
It is, after all, quite hard to prove a negative so we can’t really know how much theft it deters. But it is very clear that a perforated registration sticker destroys any value to anyone who would even contemplate stealing it. But as you say, if there were zero such people to begin with, then it can’t really be reduced further.