Sometimes the best way to avoid something is to understand how to do it. In the case of the backfire effect, it’s really easy to do. Years ago I read this fantastic post from You Are Not so Smart:
This will give you some good perspective on the phenomenon itself.
More recently, here our old friend The Oatmeal makes a plea for understanding:
Both perspectives are marvelously succinct. Each is a delightful and informative read. Do make an effort, won’t you?