After following the link you sent and reading the information in it, I don't understand where you are getting the impression that "The 1st Amendment Defense Act" would [unjustly] discriminate against LGBT and others based on religious grounds.

Please describe and explain the discrimination that you are speaking of, and please keep in mind my added comment about "justness or unjustness" when you do.

Many of our laws are rightfully discriminatory against certain people and groups for very well-founded and just reasons, so what are the unjust discriminations you're speaking of?