Is it just me? How the blue blazes did the other couple manage to get through not one but four points where the passports would have been checked? 1) At Dalaman check in the names on the passports wouldn't have matched the passenger list 2) Passport control at Dalaman 3) Boarding the aircraft, presuming the boarding card names were as the passenger list 4) At passport control in the UK.
Finally, not sure how this story constitutes a "rip off"