what is good hair?

after the clip we watched in class i couldnt help but get stuck watching some Tyra Banks, and her show is entitled what is good hair?
one of the striking things that were said is that the reason why African Americans want straight flowy hair (which is the good hair) is because during slavery it was your means for survival, it meant that you had more chance of being appointed to work in the house so you would have access to food, water, shelter and all those necessesities as opposed to one with the darker skin and nappier hair ( by the way nappy hair is kinky, matted hair, kind of like what i have :)).
so then the older generation see straight hair as your means to a better life even though they will not admit to this because it is so ingraved in their subconscious, but the new generatiion are now examining this trend and seeing the harm that chemically straightening your hair can do.
one of the women here said that her mother kicked her out and will not introduce her to people because she is ashamed of her daughter coz of her hair.
i thought that was something
check out the videos if you have the time see the whole 5 videos