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As an amateur UI designer I'm really surprised the plane allows a crash to be initiated without as much as an "Are you sure?" check.

This is a completely computer run plane, and it surely has enough information to know this is a disastrous thing to do.

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There's literally hundreds of such settings. When you get into the combinations there's such a multitude of scenarios that you certainly can't have dedicated code for everything.

I suppose you could have it attempt to run a full forward-looking flight simulation to predict but part of the reason for there being so many controls is to deal with situations where the plane isn't acting like it should be, situations which would invalidate the simulation.

UI designers have to make it work for the lowest common denominator. Pilot training weeds out the LCD and trains for any gaps in knowledge.

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