they clearly want it to pose a danger to you, same as your own bear traps and sharp sticks do if you run into them.
That is about all we know. The trophy 'fix' smacks of a 2am brainstorm "we have to do something here" session. All the thing needed was an OFF switch so you can go loot in front of it now and then. Even if they did that via 'take the ammo back out of it'.