I've been into blogs on aviation accidents recently and can confidently say that it's both the attitudes of passengers post-9/11 and locking the cabin by defaul

I've been into blogs on aviation accidents recently and can confidently say that it's both the attitudes of passengers post-9/11 and locking the cabin by default that has prevented most hijacking attempts. Pilot suicides are a threat, yes, but they are much much much rarer than attempted hijackings, so they're less of a risk than the alternative (which is leaving the cabin unlocked for anyone to just waltz into and beat the captain up: https://admiralcloudberg.medium.com/the-dead-mans-gambit-the-crash-of-ethiopian-airlines-flight-961-1a8a8daa566b https://admiralcloudberg.medium.com/the-dead-mans-gambit-the...).