You are confusing Clarkson with someone else. He loves the USA for the freedoms he wishes they had there and he’s also a serious gun lover.
Nope, it was him. In the wake of Katrina he accused the US military of murdering civilians looking for food.
Flood That Released America's Demons
"Most Americans barely have the brains to walk on their back legs."
"On the streets you've got some poor, starving soul helping themselves to a packet of food from a ruined, deserted supermarket. And as a result, finding themselves being blown to pieces by a helicopter gunship. With the none-too-bright soldiers urged on by their illiterate political masters, the poor and needy never stood a chance. It's easier and much more fun to shoot someone than make them a cup of tea."