With huge dollops of PC ness both on the left and right.
This thread deals with public access and private use in the context of a Muslim group. Some posters seem to be confused about the issues and laws regarding the situation. The applicable constitutional principle would seem to be:
Bill of Rights
Amendment I
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.
On the other hand, if the context of thread were to be immigation policy and home land security, then I would advocate:
Banning swimming pool rentals by Muslim women and children is just ridiculous.
Inshallah! Allahu AKBAR!