Its a bit of a stretch to say it was a part fo their official platform. They were founded through a strange bedfellows collaboration that included the Anti-Masons but that didn't really carry over outside of a general anti-elitist aspect of their platform.

this doesn't answer anything.

Even if a party did form to oppose them, doesn't mean they were an evil cabal hahaha. The opposition party could be the evil one. Or they could just be two opposing boring organizations.