You are correct
But these chuckle fucks want to save money.
They don’t flood a whole room with nitrogen, they just use an oxygen mask that’s flowing a lot if nitrogen.
The person is still breathing in a lot of what they exhale, which makes it very painful for them
The worst part is we could definitely have a mars base with today’s technology.
It’s just not economically or scientifically necessary to set up. Robots can do 99% of what a human can on mars, scientifically speaking, and if they break we can just build another one. If someone dies on mars, it’s gonna global news for weeks.
And mars doesn’t exactly have a huge open pit of platinum or something we want to mine, so there’s no economic incentive to set up a colony.
Musk just wants to sell the sci-fi vaporware fantasy to shareholders because SpaceX has one viable product and he’s desperate for no one to notice that.