Reflexively. Besides being a mediocre, telegraphic, inflexible martial artist, Chuck Norris is a walking ego, a charlatan, an ass, and a has-been. If he told me the sky was blue I'd ask a friend and check for myself.
Incorrect, wrong, baseless, nonsense, crap.
2,500,000 defensive gun uses per year in the US. If his points were accurate, this would not be the case. The majority of people who get their guns grabbed by criminals are, get this, COPS. Wanna guess why? Because cops have to be in close contact with desperate people and wear their guns in the open. Also because they frequently fuck the pooch and leave their guns lying around in cars. Non-LEOs very rarely have their weapon taken from them during an altercation.
A little more reading, and less reliance on stereotypes and Sensei Self-Esteem's Downtown Dojo would be a good place to start. Here you go:
Gun Facts - Your guide for debunking gun control myth
Sourced from the FBI Uniform Crime Report, the CDC, and numerous peer-reviewed studies. Enjoy.