[some-guy]

> Who cares?

They vote, so I care.

[mwfunk]

And they vote in shockingly large numbers, for example enough to get anti-vaxxers (who I think of as having a lot of overlap with fluoride conspiracy people) seriously considered for cabinet-level positions in the US.

[infectoid]

Indeed. The time for apathy is over. When people have bad arguments and bad evidence, you need to say something.

[astrodust]

There's nothing you can do on a logical level. Your only hope is an emotional appeal that resonates.