Hasan said PIA were investigating the incident and the French subcontractor responsible for passenger handling in Paris.
"We have put questions to this French firm also about the incident but it is also the responsibility of the passenger to disembark at the destination," he said.
"It is a passenger's responsibility to check about the destination and disembark when the plane arrives at the particular airport."
I suppose that absolves the PIA CC from doing a cabin check after landing, and a head count before departure