"I trust WebMD because my doctor trusts WebMD"

Hmmm. I don't know why I just paid attention to this slogan now. If my doctor was checking WebMD to diagnose me, I would immediately get a new doctor. And probably report him. I've never even heard of a doctor talking about WebMD, or any other free online diagnostic service. What kind of a doctor trusts WebMD? I would guess someone who isn't actually a doctor. I'm evidently not the only person who found this a little absurd.