People are social creatures, and have a strong innate desire to stand out and express themselves. If a game successfully creates a social atmosphere, selling c

People are social creatures, and have a strong innate desire to stand out and express themselves. If a game successfully creates a social atmosphere, selling cosmetic items can be a lucrative business. It's essentially the digital version of the fashion industry, which most people seem to viscerally understand-- aesthetics are the primary motivator for most people's clothing choices, and they are willing to pay a significant premium for some items on this basis.