Okay, so rephrase my post to this: I'm sure there's some segment of the population (A) that is so bad at reacting to dangerous situations that the people who a

Okay, so rephrase my post to this: I'm sure there's some segment of the population (A) that is so bad at reacting to dangerous situations that the people who are best at it (B) still outperform (A), despite (B) being under the influence. You just shifted "driving" to "reacting to dangerous situations." The point holds. Reckless / careless driving is a seldom-issued traffic violation, probably often in conjunction with DUI. It does not cover "the old man who can't pass a sobriety test when sober."