I've started directly questioning the intelligence of people who can't understand how ocean and air currents work to stabilize polar vortices and disruption of those currents causes disruption of super cold air.
And I have started getting a bit condescending while saying this as if any third grader should understand it so a fully grown adult not understanding it clearly shows some sort of mental deficiency that didn't get caught earlier in life.
It probably means I'm a bad person but I feel a little satisfaction at their increased anger over just refuting with facts. Because you're explaining in what sounds like it should be simple ways why they are dumb and the usually slightly narcissistic minds I deal with like this simply cannot handle that.
My mother in law's rebuttal, after a few days and in text form, was "I DO KNOW all about the science I just don't believe it's happening"
And at that point, she has admitted she no longer believes reality.
You can say "I don't believe it's raining" all you want, but that water hitting your face won't be any less wet.
"It's for harvesting wheat. Uh.... Aggressively..."