The enemy is named Cathy, and John and Adam. The enemy is James and Kay and Alfreda. The enemy are the disaffected, the distainful and the disenfrancised. They are the reductionist, the good christian and the well mannered.
And you are not winning the fight when you harangue, pick nits, tut tut and generally make them feel squidgy and uncomfortable. There isn't a swing voter in the bunch. At most you might get a grudging "I'm an independent" if they didn't find you almost too rude to comtemplate.
If you want them to vote for your guy you have to give them cover, not lectures.