Don't make the mistake of thinking comments on a random article are indicative of the way the population actually thinks. They may not even be real.
To be fair, a vigil held in the wake of a death is in mourning. A "vigil" held today for Kirk is a right-wing rally.
Go on these people's facebooks, or invite them to Thanksgiving, you'll see the same firehose of shit.
A fun game is to look at Facebook profiles selected from random comment sections.
By doing this, I have come away with even less understanding of people’s believes, motivations, etc.