It depends on the definition of "best." Countering anti-truth with truth is clearly the highest-integrity way of operating. My personal experience is that it's

It depends on the definition of "best." Countering anti-truth with truth is clearly the highest-integrity way of operating. My personal experience is that it's also the most effective. I see a lot of countering anti-truth with anti-truth, and people can smell the BS there. At that point, they become distrustful and defensive. For example, before someone lies to an anti-vaxer, it's easy to counter and convince with science and fact. Once someone lies to an anti-vaxer it becomes basically impossible to cross that hump.