As I posted previously, I am both an ordained minister and a justice of the peace. My reasons for becoming a JP had little to do with performing marriages, since as a JP I'm limited to my home state where as a clergyman I can perform a marriage in any state. But, as a JP I periodically receive communications from some national association of JPs (the name of which escapes me, since I don't belong), and it's clear to me there is a huge preponderance of JPs whose sole reason for being a JP is to perform weddings for hire.
In my case, I haven't preached in a church for probably over ten years. I can still fall back on my religious beliefs, however, if I am approached as a minister (I think). However, if I were to publicly offer my services as a JP and then try to decline on religious grounds, I think I would be on rocky ground. And that's kind of the circumstance in which this wedding chapel couple find themselves. They AREN'T a church, they are a for-profit, commercial operation in the business of "selling" weddings. Although when I first read this story I was about 100 percent on their side, after further consideration I'm nowhere near as certain that their position is defensible.
I don't advertise as a JP (which many/most in this national association do, mostly through fancy web sites), but I am still concerned. I will discuss this again with my appointing authority, and I may have to decide not to seek reappointment. If worst comes to worst, I might have to resign -- and I'm not even certain the law provides for me to resign.