@fullfathomfive unfortunately that's so true. In fact it is a small minority of people with greedy, selfish intentions that's poisoning "the whole".
We have to keep reminding ourselves that there are many around us and everywhere who are acting and thinking in positive ways. And: I realize we must fight more: by telling such sad experiences, including names. By cooperating with people of good will. By buying from those we want to stay around. By sharing positive stories etc. etc. (500 char lim