9/11 was used as an excuse to create more mass spying on Americans even though 2,977 people died while 42,116 died from car accidents that same year.
It definitely precipitated the surveillance state and the erosion of civil liberties across not just the USA but large parts of the west, but it's not about body count. Everyone knew, even in the immediate aftermath, that a copycat situation would never happen again, because passengers now knew to fight back and risk possible death vs certain death being used as living munitions inside a flying death tube. Don't forg…
Not that it really matters to your point, but this happened in 2015. Seems kind of odd to include that in this list.