Your feet handle your weight, your load. I've heard of people having back problems because of their shoes. The companies, he says, don't mind negative comments. They want to know. They aren't going to condemn you or not use you anymore because you're honest with them.
Some shoes just hold up better than others.
For his trouble, Huff has been mailed jackets and socks and other running gear. If you don't enjoy it, you can't do it. Even so, shoe testing isn't all it's laced up to be. See, when Huff has finished judging a pair of shoes, shoes he may well have raved about, shoe companies ask but one more favor. They need to see up close just how a shoe has withstood the rigors of testing.