@RamenRider because the smoke would take a really, really long time to settle and even longer for the room not to be hazardous to humans. When houses are fumigated they place a tent structure over houses and open the door and windows and the tent is connected to a collector siphon and an air...
still mad they ended it without the vacation plot line, I wanted the cliché foreign hotel worker hitting on the uke to get the seme to really push through the misunderstanding barrier. Love that trope.