Earlier quoted context omitted.
The question isn't about whether they're necessary, the question is what happens to someone whose services are solicited and they refuse.
Oh, I see. You are conflating a 'religious service provider' with, say, a business who bakes cakes. Religious institutions are not considered public accommodations so they are not required to offer their services without discrimination to protected classes.
What if their services are funded by the government, such as services to the poor? Can they refuse poor gay people?