That’s because America is not a democracy. It’s a Constitutional Republic, and in a Constitutional Republic, the will of the mob cannot override the liberties of the individual, no matter how enraged, insane, clueless or stupid the mob becomes. (And today’s anti-gun mob is clearly pushing the limits of stupidity and irrationality, by any measure.)
The current mob of mindless anti-gun protesters believe that if they all just get angry enough and spout enough profanity, the intensity of their emotional state somehow overrides everybody else’s individual liberties. This is why their fascist front-man — student propagandist David Hogg — is a foul-mouthed, hate-filled lunatic who spews endless f##ktardery while claiming anyone who opposes him want to “murder children.” (All these anti-gun leftists, for the record, quite openly advocate murdering children as long as they’re not yet born.