content: The pigs in that video are feral pigs, dude. If they stayed in the forest that'd be fine, but they raid farmer's fields and destroy crops so killing them is an important thing. Maybe you weren't aware of what's going on, but they're a huge problem right now in the US. Check this out: https://en.wikipedia.org/wiki/Feral_pig#North_America They're so much of a problem that there's almost no restrictions on how you can hunt them. There are people who literally go after them with sniper rifles and night vision scopes - which is less effective than these traps, but you have to admit is cool as fuck. https://hooktube.com/watch?v=ribiDIkEv_s