I wax every 6-8 weeks, and shave in between for maintainance. 3 reasons. Heat: I cannot tolerate heat, so I do whatever possible to minimize things that hold heat in. Hygiene: I feel cleaner, longer with a bald cookie. Former occupation: I used to be a stripper. Less hair= More $$$. Also, if you're dancing in a bikini bar, it is actually against state law to have pubes showing. It's easier to take it all off than to try to trim it evenly. And the thongs we wear a really really tiny. It's hard to hide hair behind an eyepatch.

I've had a bald cookie since I was 16. I see no earthly evolutionary reason for humans to still have pubic hair. For the most part, we no longer run around the tundra naked or in a loincloth.