I think the "all other things being equal" is key to seeing where Ayinde and others are coming from. That was what was tripping me up in getting it during some previous reasonings. I was thinking, well, look nuh, yeah in general light skin is preferred over dark, but P. Diddy got it easier than the people he got slaving to make his Sean John clothes in Honduras, etc., who might be lighter-skinned (some of em) but who are basically playing the role of the slave while he plays the role of massa.
I think (if I sight it correctly) that what Ayinde and others are emphasizing, is that in that sweatshop in Honduras, the darker-skinned kinky-haired sweatshop workers will be even more negatively impacted by the system, than the lighter-skinned straighter-haired sweatshop workers (NOT to imply that the lighter-skinned straighter-haired sweatshop workers are having an easy time, of course they ain't!)
And P.Diddy will probably encounter worse treatment from his white 'peers' in the business world, than he would if he was lighter-skinned and straighter-haired.
Or another example, a light-brown skinned straight-haired Mexican "immigrant" might encounter all sorts of discrimination and ill treatment in the system, but a black-skinned kinky-haired Haitian "immigrant" will likely experience worse.