I would be a horrible captain of a ship carrying passengers that can't seen to stay where they are supposed to be until they are supposed to move. After a few messages informing them that they are to stay in their assigned locations, I would probably make the announcement, "Ladies & gentlemen, you have been instructed to stay in your designated location until it is safe for you to move around. If you continue to get up without authorization, an anal plug will be forced through your suit, into your rectum & then inflated to the point where you can't leave your seat without completely destroying your O-ring. Thank you for flying Screw-U Space lines & have a pleasant rest of your journey once we have landed securely."