For the same reason some folks need Ferraris, Corvettes, golf clubs, speedboats, scuba outfits, surfboards, race cars, or any other non-work related, non-income producing, non-safety related , non-essential item.
Fun and recreation.
I asked the question hoping I would get some answers that went behind 2nd Amendment says I can have them, so I do. I don't have a problem with the 2nd Amendment or anyone owning an assault weapon.
When arguing with Liberal Professors about the 2nd Amendment, sometimes it's frustrating to have just one response -"it's the law."
Now, I admit that should be reason enough... but it's not...the debate continues, and I am finished. So... I thought I would ask. Next thing you know I'm a squishy Bushbot, gun snatching, pant-peeing weenie.