All games have a certain level of <cheesing>, you can't really prevent that. Though in this case I think its impacting a bit too much on the actual encounter designs; Don't remove the cheese, just have less of it and more <bread>
It just reminded me of the bowl of goat's milk that old Winthrop used to put outside his door every evening for the dust demons. He said the dust demons could never resist goat's milk, and that they would always drink themselves into a stupor and then be too tired to enter his room..
