From the guidelines:

> Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith

The person's core argument was obviously that "airlines do what they can to keep people safe rather than financially benefiting from criminal activity" which distinguishes Tornado from airlines and web browser developers.

As an aside, it was less important to prevent hijacking before 2001 because the end result of most hijackings before then was that nobody got hurt if pilots complied, so there would be no reason to place a cockpit door. That strategy obviously changed after 9/11.