Well, this is no doubt dew to avatars that realisticaly sized. I'm one of these realistica sized avatars. For saying we get more complates, yes because we are treated unfaily; People ignore HOW the avatar looks: tattoos, make-out, clothing, skin, shape, etc. A kid doesn't have tats, doesn't have face piercing, or dress like adults. This is all ignored.Because everyone makes amazon or giants, anyone that is shorter than 7" is seen as a "kid". Kid avatars on average are 3" tall.
You can make your avatar however tall you want, after all it is second life.