The whole issue of Lawful isn't a problem whilst a State of Emergency exists, once that no longer applies all those health directives are no longer relevant.
In terms of practical it's less of an issue for company staff where there are few and the turn over is low, it becomes a problem when there are many and the turn over is high and those same conditions apply to the business clientele. In an Airlines case, it's passengers. Not all business's can use a flight attendant to check as you pass through the boarding process 3 times.
If it's flawed it won't work. I see it as just another fatigue related issue that will end up ugly.