This is such a visceral "oh no" for so many people that I've seen part of the rising tension of multiple horror movies, including one released this year, be eit

This is such a visceral "oh no" for so many people that I've seen part of the rising tension of multiple horror movies, including one released this year, be either revealing or highlighting that an employee will be sleeping on employer-owned property, which the viewer is expected to implicitly understand to be dangerous. Which, in the horror tradition, goes back to gothic horror—Dracula, the live-in governess, that kind of thing. It's a well-trod trope that this situation makes one vulnerable. Now, none of this (and even my original post) means it's necessarily a bad idea—but that, the actual history and the way we read that situation in fiction, is why people are inclined to immediately have a bad reaction to such a plan.