Please apply the principle of charity here: it is very likely that rayiner knows that "under the influence" applies to substances other than alcohol, and wants

Please apply the principle of charity here: it is very likely that rayiner knows that "under the influence" applies to substances other than alcohol, and wants his conclusions to apply to those circumstances as well. (Although, personally, I define "sober" as not under the influence of any intoxicant, not just alcohol.)