You can use the lefty’s emotions against them using Alinsky tactic—make them live up to their own book of rules.
This is particularly effective against the “climate” crowd—make sure and point out every detail of their gigantic carbon footprint...(call them Bigfoot or Sasquatch :-) ).
Or remind libbie women who hate Trump for his supposed sexism and ill treatment of women of the glory days of Bubba Clinton’s treatment of women, as enabled by the Hildabeast. Since they love the Clintons, the conversation about Trump usually ends abruptly.