In our airline, on departure, we do not close the aircraft doors until all the pax are seated. As to taxing on arrival if the pax decide to do a "Die Hard" & make for the hat rack or doors before I turn the seat belt sign off it's their problem & they would not be able to claim anything from the airline or insurance. I must admit on certain flights i.e. Dhaka/Mumbai I tend to be a bit heavy on the brakes on the taxi in