Comment: You're right. Convincing people to accept such things...

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In reply to comment: When I first heard about this (see in situ)

You're right. Convincing people to accept such things...

...for airplanes would just be a foot in the door for more widespread application.

How convenient it would be for a gov't to be able to subdue dissenters en masse.

Even if the gov't had the best of intentions(trying to keep a straight face typing that)...imagine, as you describe, if the control got in the wrong hands.