idk, on west london gate, and farm roof, that was hilarious to try it out.....i don't have a problem with a person taking advantage of a bug in a map like those once or twice for the fun ot it, but where i have a problem is people constantly doing it and the worst being when it is something they know how to do but they will not inform their team mates and they're team ends up dying or not getting any money from the guy using the glitch. those people truely have no balls.
when we're talking about a co-op game it's different than a multiplayer game because using a bug doesn't give you an advantage over your opponent (as in real people not A.I.)....so what then is the problem people have with them? it's people thinking they are competing against the other people on their team to get the most kills, the most money, live longer etc....people are more worried about their ego within the game that they've lost sight of the overall goal of the game which is to beat the map. if you've got a guy that can get in a good spot like that shouldn't you be happy since he is going to help you win???? there's some food for thought, time for some self reflection.
i consider selfish players running around with their stupid katana trying to rack up kills to be WORSE than people who use a bug to get on a roof etc... because those guys are hurting the team to only benefit themselves whereas the guy using the bug is firstly benefitting the team and then getting their own personal rewards as a secondary plus. since the update i have always been watching morons run out on their own to get kills, then they die and whine that nobody was backing them up. i had some guying bragging about being #1 on the scoreboard through wave 4 using his katana. low and behold each of the next 4 waves he died while the team lived and all the other 6 players moved up in front of him in score. only problem is once you get high up in those waves, you get all the extra specimen for that selfish moron and he dies, leaving your team essentially having to pick up all the slack to cover the amount of specimen "allotted" to him. that's how teams lose and people get pissed
so what exploits all boil down to is this......the fact that not everyone knows about them thus making it unfair for some. also the fact that it usually takes a while for them to get patched. if you think about it the best way to solve this problem is by people posting known exploits and how to do them so that it becomes public knowledge and nobody is left out of the loop. also by doing that, it would further push TW to quickly fix the bugs to stop the exploiting. of course it is against rules to do that because TW doesn't want people to exploit their work, but hey, if bugs are there, fix them or don't get mad that people use them.
if you are a server admin and you don't like people using em on your server, ban them. the only thing other people can do is report the bug and hope TW will eventually do something about it, and report to server admins that soandso is exploiting on their server.