My spin on this……
Having had people break into my house looking for keys (years ago) whilst I was in the house, I’d rather just wake up and the car be gone. End of.
I don’t want some determined bar steward standing over my bed with a baseball bat asking for a ghost code.
Visual deterrents are surely the best. Even better friend, the law of averages. There surely can’t be much demand for an LC, and most LCs seem to be that yucky red colour - nobody would want one of those, surely 😜