We allow the government to regulate interactions on roads because roads are public property, funded by tax dollars. We are also talking about public safety, as in actual, physical harm being possible, not just hurt feelings.
Allowing business owners to say who they will or won't do business with on a daily point-of-sale basis may not be your idea of a hill to die on, but I don't think you can separate it off and say, "Just THIS little piece of First Amendment freedom, you won't miss it, and it won't affect anything else." I personally think I'm not willing to give up ANY freedom, for anyone, without a damned good reason for it that goes beyond, "It's not nice, and hey, it's no big deal". Nope, sorry. I'm not interested in giving the government a foot in the door so they can work their way up to something that IS a hill to die on. Better, in my eyes, to hold your ground and demand a good reason on EVERY encroachment.
We also allow those rules to extend to private parking lots, as we allow cops to enforce laws there as well.
I think you have to separate it off to get the greater freedom of separating public accommodations from general commerce.
If you don't want government's foot in the door, don't invite the public on your property for commerce. Make them stand on the sidewalk and do transactions in public only (I know that's a stupid example, but might be a compromise)
Cops are allowed to enforce laws involving personal injury and property damage everywhere. Still does not and will not make "hurt feelings" comparable.
And don't even start with me on the "If you want your rights, then you have to forego making a living or owning a business" routine. Nowhere in the Bill of Rights are ANY Constitutionally-guaranteed freedoms made dependent on giving up other rights and privileges as a citizen.
I am not the one going there, the nanny state people are the ones going there. My point is fighting to remove PA laws entirely will probably never work, the best thing to do is limit them to actual PA's as much as possible.
Again, you don't see tons or even ounces of people wanting to deny service in point of sale things. Why fight for it if no one really wants it?
Three reasons.
1) Right is right, and wrong is wrong, and it is always incumbent on good people to recognize and state which is which.
2) I have little patience with weaseling around and twisting words and laws into pretzels to defend the rights of people like Mr. Phillips, when simply stating what is right would accomplish it much better. It is silly to me to spend time drawing useless distinctions like "artistic expression" and "contracted service", when the truth is that it's his business and his beliefs, and that should be the end of it.
3) PA laws, like all social justice engineering, are the gift that keeps on giving. They start out with "just to correct this one injustice", and then they hang around, creating more and more "injustices" they must correct, rather than simply going away when their purpose is served. Whatever remnants of true bigotry still exist out there are far better eradicated by allowing their owners to expose them publicly, and be educated by the community around them, than they ever will be by government mandating that they pretend something they don't really believe. Meanwhile, we would be free of increasing attempts to use PA laws as bludgeons to beat to death anyone who dares hold an opinion the SJWs decree is "not allowed".