They literally are saying that it is like this every summer. The other excuse they use is that we shouldn’t be forced to do something when there are countries that pollute worse. The other argument they provide is that climate change policy affects poor people the most, so they claim that it would be unfair to them if we enacted any of it.
If I were to create a city that can withstand the downfall of society, I would want to put a defensive military fortress at its center. Right now, they don’t run it, but when the shit hits the fan, they can inherit an arsenal of protection.