Disagree. Motor impairment is one issue, yes, but so is mental impairment. People under the influence of drugs can have poor decision making, even if their moto

Disagree. Motor impairment is one issue, yes, but so is mental impairment. People under the influence of drugs can have poor decision making, even if their motor skills are fine. Driving on meth is still driving under the influence, and those people would generally not have any trouble with a roadside gymnastics demonstration.