I'm not doing your searching for you, just look up the words Newtonian, Wipe, and Griefer for lots of historical hair-pulling and gnashing of teeth. Or don't.Stuff
As for negligence vs gross negligence, it's obvious...one is not taking enough care, and the other is not taking enough care 144 times, or not taking care of something that's yucky, or something. Doesn't matter either way, they're not breaking the law, it's not a big deal. Get over it.
Why I typed "speculation" is anyone's guess...