I agree about some writers, but you have to be careful when discounting some of them. I've recently found where a couple have credentials a mile long and must go to great lengths to not publicize their expertise.

Most true experts rarely let it be known that they are just that. You have to dig around to find out their backgrounds because they don't care if you accept their knowledge or not. It is almost guaranteed that I won't listen to anyone who starts throwing out their pedigrees at me.