Well, I can't say much about males playing, mostly, female characters. I think they just like to look @ boobs & ass... and that's it. I can agree that female outfits are usually better looking, but I don't think that's the "why" males play females.
Anyway, about the females playing Lyn/Summoners. We just like, umm, LOVE cats :D And that's it! So when the game lets us have in-game pro-tanker-kitty, we are just simply drawn to it. Tho it's not the main character females play. I know a lot of females playing other classes - mostly FMs. I also have Yun FM and Jin Sin. Started this game wi