"Yet every other airline is up and running, having (presumably) spent roughly the same on engineers"
That's an odd line of thinking. Other airlines have catastrophic outages too. Just at different times/dates. They do sometimes share 3rd party dependencies, but that happened to not be the case this time.
That's an odd line of thinking. Other airlines have catastrophic outages too. Just at different times/dates. They do sometimes share 3rd party dependencies, but that happened to not be the case this time.