I don't know who she is, but it's tasteless what she did. Wearing a headscarf just means you're a muslim, it doesn't make you a fundamentalist. But dressing up like a religious muslim and saying you're a fundamentalist is disrespectful and racist.
White trash. People want to give her the pass because she made a show about "real girls", as in a show based in NYC featuring an all-white cast of trust fund losers whining about their love lives and poor decisions. This is just the icing on the cake.