Afraid it will infringe upon the rights of discriminators:
“Like most Americans, I strongly oppose and condemn unjust discrimination,” Burr said. “It is my hope that our society can be tolerant of different people and ideas. That said, whenever we consider new legislation we must always consider the interplay of new laws with existing rights. I am concerned that the ENDA bill would go beyond our existing laws protecting individuals’ employment rights and would impose new burdens and legal uncertainties regarding the exercise of religious liberties. Therefore, I plan to oppose the bill.”
Only in the mind of someone like Dick Burr would "unjust discrimination" not be considered redundant. Somebody should ask him what forms of "just discrimination" would be acceptable. And that concern for "religious liberties" is merely a nice way of saying that bible-thumping bigots have more rights than the people they would discriminate against. Liberty doesn't mean the freedom to restrict, impose upon or control somebody else. It just means freedom.