Hey, i put time into my appearance , i don't wanna sound out of the blue or get into stereotypes but maybe is because i am gay, don't know. Really, i have seem in so many conference attractive programmers like the ones in the photos.
There are attractive (develoepers|journalists|best buy employees), and there are unattractive (develoepers|journalists|best buy employees).
I think it's mostly sterotypes and confirmation bias. The ugly people are less liekly to post photos of themselves online, so you only ever notice the attractive ones.