People are fat and lazy because they CAN be. There is no direct threat to worry about, the gubment will just take care of everything. People have no stake in their own well being.
I China landed on US soil, I don't care what you guys think, the American people would run like jack rabbits. There is no real national identity or cohesion, too many paracytes within, and the populance as a whole is extremely pussyfied.