If one would transplant themselves back to the era of the Founders- you would find many purely secular enterprises but also find many quasi-religious enterprises, such as the Quakers, Catholics, etc.
The Bill of Rights extends to all citizens, whether they are part of a church, are owners of a business, are part of a partnership,stockholders in a corporation or are just free individuals.
Not a tough concept.
Nope, not a tough concept at all. The judge is just another commie embedded in the system some time ago.