The problem with that is that bad faith actors engage in bad faith arguments for a reason. They just want a few people to hear them. It doesn't matter that the majority of people who hear them see through their lies. It matters that they reach that small audience. To let that small audience know they're not alone. The goal is to activate, engage, and coalesce that small audience. This is what the alt-right does. This is what they've done since the 1920s. We have 100 years of evidence that you can't just "Hear out" the Nazis' opinions without harm coming to real, legitimate people. The best way to deal with bad faith actors is to deplatform them before they've achieved a platform