Cats are wonderful creatures - intelligent, beautiful and fun - and they are, when allowed, highly successful predators of vermin. Human cr**p is, I would have thought, much more threatening to the stability of world ecology. At least cats bury theirs.
And as to committee members ... as secretary of our allotments I get everyone's complaints. Some are just folk having a rant, but they all get dealt with in the same way : discussed in committee, a fair solution agreed and the complainant contacted to share the decision and see if they are happy with it. If not it is pursued further.