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Comment on Understanding American Airport Security Following 9/11 (2019)parent

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For me, it was when COVID was killing about three airliners worth of Americans a day but enforcing the water bottle rules (used in 0 attacks for a total of 0 fatalities) was far more important than anything to do with COVID.

Liquid explosives have been used in multiple attacks, one of which was almost successful (but not in the end). The rationale for banning larger quantities of liquid are rational and done in response to a specific incident:

https://en.wikipedia.org/wiki/2006_transatlantic_aircraft_pl...

one of which was almost successful

Yes, that's what I mean: there's only one near-attack, and since then we've banned all liquids for all flights at a cost of god knows how many benefits.

The rationale for banning larger quantities of liquid are rational

There's zero cost-benefit analysis for this.

The Germanwings incident. I don't know how many lives were saved by locking the pilots in since 9/11, but I sure know how many were taken....

What are the airline security protocols like for domestic flights in China?

Enforcing the water bottle rule sells a lot of beverages at the airport, with a nice margin because the customers have no options

These days there are water bottle filling stations in almost all airport terminals.

15 years later.

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