If you are alone in an apartment you wouldn’t want to accidentally flood your whole apartment with nitrogen after you die, it could be dangerous to anyone who finds you. Similarly it wouldn’t be good to release nitrogen everywhere with neighbors so close.
Engineering geek here.
Curious why you would need a whole pod? Wouldn’t something small, like a scuba mask connected to a gas supply work?
the pod is so you can’t change your mind once you press “on”
While a scuba mask is doable, other articles say your loved ones are in the room. So it’s a way to say goodbyes.
the family members don’t have to put on the mask
If you are alone in an apartment you wouldn’t want to accidentally flood your whole apartment with nitrogen after you die, it could be dangerous to anyone who finds you. Similarly it wouldn’t be good to release nitrogen everywhere with neighbors so close.
Just a guess but I think not having any medical gear strapped to my face would feel more comfortable.