Women are not required in general to be named in rape cases because of the stigmas that go with being a rape complainant, and frankly, special burdens that rape complainants often face.
Ever since taking office, the Obama administration has sought to accommodate Islamist demands that freedom of expression be curbed, lest it offend Muslims and stoke violence. For example, in 2009, the administration co-sponsored a United Nations Human Rights Council resolution along those lines.