What on earth does that have to do with capitalism? And what makes you think your choice of how to present yourself doesn't become part of how others perceive you?
You might wish to read this: http://lesswrong.com/lw/yp/pretending_to_be_wise/
You might wish to read this: http://lesswrong.com/lw/yp/pretending_to_be_wise/
Peace.
I have simply found that people's technical competence generally (GENERALLY) corresponds to what domain they are using. It's an observation, not a fashion trend.