Another own goal for United. A nice letter of thanks would have been a lovely gesture. This is more like leaving 25 cents as a tip to show that you didn't like your server's work.
Electric vehicles win on carbon emissions even considering all of that. This complaint has been debunked ages ago. As long as you aren't building coal plants to charge them, they win. And even if you do, they still win by a little.
No value? Are you one of those who think masks don't help?
This selfish idiot demonstrated that he doesn't care about the health of other people. There is no excuse. He should never be allowed on another airplane for the rest of his miserable life.
You don't even know yet if "nobody was hurt". He could well be an asymptomatic carrier.