"Humans aren't as evolved as many people like to think."
Absolutely.
Humans cannot be trusted in cars, let alone with military grade weapons designed to inflict maximum damage in minimum time.
How many more massacres will it take?
It's times like this that I often hope that "God" does exist; not so I can spend eternity sitting on a block of marble playing the harp; only so that m*****f*****s like this can burn for eternity.