Assuming that “concern” was in good faith in the first place. I believe it was a bad faith pretext for not venting the gas because it’s a well known fact that nitrogen makes up a significant portion of the atmosphere. If they were really worried about the nitrogen displacing enough oxygen to be dangerous, I can think of several ways to eliminate that risk even if I play along and accept that it’s possible.
- Vent the room. Or use a large room and a fan.
- Place oxygen meters in the room that sound an alarm if oxygen drops below 20%.
- Give oxygen masks to anyone who needs to be in the room.
Needs Microsoft added to the list.