yes, there are people that want to the right to not serve gay people at chik-fil-a. Substitute the word 'same-sex' with 'black' in that famous example you ment

yes, there are people that want to the right to not serve gay people at chik-fil-a. Substitute the word 'same-sex' with 'black' in that famous example you mention and it should become obvious why laws like that are needed (and were needed 50 years ago).