Many foods can be eaten raw, and many foods are the better for it. An emphasis on eating mostly plants is irrefutably good, be they raw or cooked. But the case for raw food diets is oversold, the rhetoric is overheated, and the claims of universal benefits -- substantially overcooked.
I went raw years ago, and I did it with a great deal of enthusiasm and optimism. How hard could it be, eating food without cooking it? I thought it would be a piece of cake. But after three weeks, all I wanted was a piece of cake.