> Also who wants to sit in a jet seat that someone else has sat in. Gross. It's a finite world and we all share it. You're going to be drinking water someone e

> Also who wants to sit in a jet seat that someone else has sat in. Gross. It's a finite world and we all share it. You're going to be drinking water someone else drank and breathing air someone else breathed. Cleaning is cheaper than making something unique to everyone of the eight billion people in the planet. If everyone lived like spoiled billionaires the world would be a hell scape within a month, just based on air quality.