Sure, but you won’t get a refund for your ticket or your time. And some people might feel compelled to alert their fellow passengers if they felt the airline was planning to put them on a plane they felt was unsafe. These things could lead to anger, hence civil disobedience.
Do you honestly not understand the point I was making, or are you just taking issue with the exact phrase I used? And if the latter, state your preferred alternative and then pretend that's what I said. Maybe "consumer disobedience"? "Boycott"?