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You should keep in mind is that the SpaceX capsule is not really meant to be human operated under normal circumstances, and whatever actions are meant to be taken by humans during normal operation or emergencies supposedly have physical buttons.

So if there's things you can do with the touchscreens it's likely to be a whole lot of small things you might want to do in rare non-emergency situations. That's a pretty good fit for a touch screen. You can potentially give the astronauts a huge amount of control over all aspects of the spacecraft without creating a mountain of buttons and knobs. It could even lead to better safety since you know that every single physical control you see is important, and there's less room for mistake when using only the physical interface.

I'm not an expert in this area, so I could be wrong, but my impression is that SpaceX has a pretty good design here. Not necessary better or worse than Boeings approach. It's not like NASA would let astronauts fly on it if they thought it was unsafe or hard to operate.




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