Why do most security "experts" look scary?

I read a computer magazine yesterday - this in itself is a rarity. I purchased it as there was a whole section dedicated to security citing advice from leading security "experts". I won't go into detail about the advice itself as it's too early on a Monday morning (for me right now) but something that struck me was the pictures of each "expert" - each looked pretty scary IMHO.

It led me to think of other people well known as security "experts" and now I'm wondering if it's a pre-requisite!

OK I can't help it... I have to share a couple of highlights...

"...it is perfectly possible to build an impenetrable system if you need it" - this is true but only by removing the power supply, data and interface

"hacker proof security" - see above!