I think we may be missing the point in that what is sought is to branch into a bigger market. Which would require the exclusion of minors in the game.
I am a sucker for the short-hair version.... but am understanding the plight from others. :/
I say go for it, we follow you for a reason. I guess you could offer the smaller skin as a special supporter patch or something, that doesn't directly tie to the steam ware.