Well to be honest they'd still close the rwy with a pax evac on the exit taxiway I'd think, and if you're on masks with smoke are you really going to be thinking of vacating and keeping the rwy clear to allow other folk to make an approach. I'd agree if OEIO landing to vacate but not fuz smoke/ suspected fire. You don't dick around there. On ground. Off, people ok....egg on face public Pilot website armchair pondering later