Somebody was massively keyed up. An issue with FedEx, perhaps. Hare to believe this was a disgruntled employee, may have had something to do with the delivery of some product ordered online. Motives not at all clear.
Low self-esteem, yeah, right, that’s the ticket.
Cannot see how this course of action benefited ANYBODY.
You're not trying to pass laws/executive orders to disarm the American public.
Imagine you were.
It's important if you are planning to do horrible things we would shoot you for!
What's a couple, or even many, random people you don't even know dying vs you yourself getting killed by an enraged mob?