You'd be hard pressed to find anyone that supports decriminalization and thinks people should be getting high at work, especially people who do dangerous work.

The same could be said about alcohol. It’s none of my business what people do in their free time at home, as long as they can safely and effectively do their job when they’re on the clock.

The same applies to construction and alcohol. It isn’t inherent that someone who works construction and uses a narcotic world do so while working.

Legalization or decriminalization doesn't necessarily lead to "everyone's getting high at work"