From Reddit user rohanic:
Working helpdesk peacefully in the server room when I hear a loud knock and this outside the door
LOOKS LIKE SOMEBODY LIKES THEIR BILLY MAYS KEY TOO MUCH.
Ahem Sorry about that, you just have to yell sometimes, right?
-Water Cooler Chris
I can definitely see the mechanic and tradesman scenarios, but I've heard enough stories to know that WebMD has pretty much destroyed too many people's trust in a doctor's opinion.
Finally, a useful suggestion from a user.