We've been able to put pressure on them in some places and they would disappear for a while. You're correct on the fact that you can't rid your place of them for good but you can make it as unappealing as possible for them
ETA: I've heard LDWF has a disease that thay could release into the population that would kill a good portion of them but they won't do it. Not sure how much truth there is to that.
This post was edited on 2/9 at 9:36 pm