In general, I don't think those sorts of categorical statements are true. A lot depends on the individual and the individual's training. And sometimes men inappropriate will hesitate (e. g., the fellow in the Tacoma mall).
"It is long been a principle of ours that one is no more armed because he has possession of a firearm than he is a musician because he owns a piano. There is no point in having a gun if you are not capable of using it skillfully." -- Jeff Cooper