The simple fact is that nothing you do can change people. People have to change themselves, and all you can do is make the information they need available.

I try very hard not to let myself get so frustrated and angry because ultimately that doesn't help anyone. I am more than happy to help in any way that I can, but bashing someone over the head when they already know they made a mistake accomplishes nothing. Do what is in your power to do, and make the best of the rest.