I know of one hider that buried a cache, listed hints that made no sense, then posted that he did not want the area torn up.
If you leave bad coordinates purposely or not, the area will get trampled and things will get disturbed. No matter how careful a person is.
If you make a cache really hard to find, again the area will get disturbed. There just is no way around it that I can see.
Now I know that some people are a lot more careful than others, but if the coordinates are off, the hints don't work, the hide is really hard, or buried, things will get disturbed.
I, for one find that on the hard to find ones, I'll come out of the area with much more trash than on a quick find.
There is no reason to unnecessarily tear up vegetation, break branches and the such, but when you find a cache in a log, under a log, under or in a rock, drilled into the end of a branch, disguised to look like the end of a branch. Then the hard ones without good hints will get the area disturbed.
I have no enemies, but I'm intensely disliked by my friends.