We have long talks because he has to live at the studio during filming. Even in a city like Vancouver the sight of a beetleloid would cause distracted driving. So he stays in.
He has the rare capacity to physically move through the transit system. That’s because he’s just one organism, with no internal biota. Humans, and a lot of others, don’t respond well to internal sterilization. All that Hatakia requires, coming and going, is the external kind.
Nolan