I agree with this. When someone posts something blatantly false in a matter of fact way I feel downvoting is a public service in the sense you are averting eyeb

I agree with this. When someone posts something blatantly false in a matter of fact way I feel downvoting is a public service in the sense you are averting eyeballs from it. I'd also say that if at that point no one else has corrected the person, you should.