"I Love It" is the only song that would have worked for that scene. I'm thankful they didn't use Talk That Talk, which is one of Rih's more mediocre efforts, tbh.
The show is overrated and kept afloat by media and critical elites who hype it to the nines. The GP isn't here for this show like it was for SATC, GoT, or True Blood, Mad Men, etc. and the ratings prove that.
Yes. Critics of the show have always called for more diversity.
My initial thought was that Rih being a bad ass and told them no, for that reason, but Rih reacting to comments Dunham made about her personal life seems more plausible.
If she was really the feminist she thinks she is, she wouldn't have cast such harsh judgement on another woman who may have been going through personal issues at that time, and publicly at that. If she really cared about Rihanna on a personal level, Lena wouldn't be trashing her as a means to show how much of a good role model she herself is in comparison.