I don't think that's much of an active solution tbh. Yes it might quiet the moment down, but people talk when they have an opinion they want heard, albeit they don't always do it in the best way possible.

I think the fc leader and officers should be willing to step in and speak to the people involved. I recently had this happen where one member was openly discussing something similar to the selling of wedding bands and another fc member was very offended. They had it out a bit while I was stuck in the dungeon, but I got them to hold off until I got out. We did a party with the 3 of us with me mediating and they agreed to disagree. I stepped in not because I wanted to (I really wasn't feeling well that day) but because as fc leader it's my responsibility to. If I had taken the easy way out and muted one or both, I think they'd have been offended and probably left. I know I would if I were in their shoes.