Actually, air travel for work is about 10% of the trips, while tourism is 90%. But super flyers represent a disproportionate amount of the leisure flights.
So most people would hardly notice (those who fly more often can afford the tax, and the others don't fly enough).
You have some stats here: https://neweconomics.org/2025/06/introducing-the-ultra-frequent-flyer
You should really learn History beyond your belly button.
Lots of fascist regimes throughout History and pretty much worldwide.
But Germany is one of the only countries to actually pay for it and go through a very long mea culpa, which is incidentally the reason why they side with Israel on this one.