Ah the joys of "Overbooking", you see in the USA or with the better European Airlines its great when overbooking occurs because you can get a a nice wad of compensation. I've volunteered several times, once was when I flew San Juan-New York-Manchester and after accepting a night in a hotel (no bad thing), I was double upgraded to First.
With a M.E or Asian airline, particularly one like Kuwait Airways, I imagine its a nightmare. Probably expected to sit on the floor for 3 weeks and wait till a space becomes available on a routing via timbuktu and be grateful.