For better or worse, they are. If you're trying to discriminate on the basis of religion, race, sex or disability the civil rights laws are against you. Discrimination based on politics isn't protected by law.
I guess my point is that I do not agree with the sentiment that my intentions matter. My rights are my rights, according to the Constitution. You may agree with that and believe it is ok, but those of us who want to adhere to Constitutional principles do not.