1. Because its gaining traction, its not something that is becoming less of an issue over time, and people in power are promoting it for their own vile ends.

2. No, treating people poorly who continually spread misinformation and lies does not make you bad or worse than them, this is a silly misrepresentation that would almost arise to this question fitting classic sealioning.

3. There is no expectation to win over hearts and minds, and this isnt a debate - its simply evidence being denied out of hand because it doesn't fit the person's narrative. It should be dealt with just as much scorn as a flat earther.

There's no good points when someone isn't willing to bring table stakes of "willing to acknowledge evidence"