In the US, these kinds of reactions are often called "moral panics" (according to Wikipedia, the term has a slightly different meaning in Britain). It's much ea

In the US, these kinds of reactions are often called "moral panics" (according to Wikipedia, the term has a slightly different meaning in Britain). It's much easier to identify them when you aren't involved. I don't know any way to avoid them, but I believe a good first step is to acknowledge that you may not be immune to overreaction, even if you are open minded and hold all the correct political positions.