No, that’s not usually how it works. It’s never how it works. This isn’t satire. It’s an actual proposal.
People advocating for unhinged bullshit do so because and only because they believe in it. There is no alternate interpretation of “lock people in a closed space with their smoke to punish them”. If there was sufficient airflow the smoke would be gone in seconds.
Yes they do. All the time. It’s only condensed sources of oxygen that superheat. That’s not what we’re talking about. We’re talking about a locked room that only holds a couple minutes of breathable air he wants to keep air from flowing through and keep people from breathing.