Neglect or Freeform Dread is, for me, the worst thing you can do to your hair. Male or female And Twist and Rip/backcombing method etc can break and ruin your hair and you end up having to shave it. And you should dread up a few inches away from your scalp at each section so that you hair doesn't get pulled. I am not a fan of bedhead look. I think loose waves - beach hair - is fine. One time I passed some girl with them in the hall at college and her scalp and hair really smelt. If you going to get them, learn to clean them!!!
It doesn't take a lot of time just to comb your hair.
If your hair is naturally unruly and you take good care of it, then that can be attractive. There's a difference between not showering for months and having knots in your hair and just having naturally messy hair. It can look good depending on the person :)
I think hair plays a larger role than most people realize, especially with women. There are lots of women I know who are considered to be beautiful but they don't actually have great faces. They have great hair that make ups for their face. So I definitely believe the other is true. I also know of girls who have unfortunately frizzy or bad hair, but when they style it well or wear their hair in a polished ponytail they look so much better than when they wear it down. It is very unusual for a women to look better with her hair up than down unless she has bad hair and a good face.