There is also the problem where most POI aren't designed in a way that would make leaving the loot room and just exiting the POI very difficult. Many loot rooms are on roofs or near open windows, etc. Of course, they can choose which quest types each POI can have and those could be limited to specific POI, but I'm not sure that they have any way to prevent buttons or switches from working and POI with a loot room not already near an easy exit have a way to easily unlock your exit path. And if those didn't work, you'd see a lot of people saying it's bugged even though it wasn't. Add in that you can just break a hole and then do the loot and it just defeats the quest type. You would have to have some new method of creating a "lockdown" where extra walls or gates or whatever drop down after you reach the loot room so you can't escape even if you already broke holes. That seems like a lot of work. It could be interesting, but as Suxar said, even if you fixed the escape issue, you can still just die if you have drop on death set to nothing and then it's still just a simple quest if you don't mind dying.