Wow, people suck. But you know something? I'm not in the least bit surprised. I think you did everything right but of course you get blamed. Perhaps something to add to why parrots are better than children, right?
Here's another story to share. I took Kili and Truman to the park yesterday and some little twerp started shooting Truman with a water gun. Ok, he was already wet cause I showered him in the fountain, but still... The fricken nerve! And where are the parents? Other kids were trying to poke Kili & Truman with twigs. I do let this go on to some extent that the birds aren't hurt or too upset because it's part of their socialization (if they can put up with this, imagine what else they can take!) but I definitely don't appreciate it. I only intervene if the birds are upset and certainly before they can get hurt.
Also Kili pooped on the top of a park bench (the back not the part you sit on, I do wipe it off if it's in a spot people would go). This little kid was watching the birds and for whatever reason must have decided to climb over top the bench and got bird poop smeared all over. I was dreading what the parents would say if they saw this and accuse me for letting my birds poop on their kid. Luckily I don't think anyone but me noticed but it really wasn't my fault at all. I'll have a video of Truman's outing to the park either tonight or tomorrow.