Hi Mutt, not sure if your question was directed at me, but it was certainly not my intention to blame the QR crew. Good work!
On the Paris incident, there were a number of contributory factors:
- the loader did not engage the latch properly, but thought he had, although he did not use the view port to check that the pins were in place
- incorrect maintenance had previously been done(Service Bulletin 52-37)
- the cockpit warning light went out well before the pins were in place
- due to poor design, critical controls were destroyed by floor collapse
- due to poor design the pressure vents between the passenger cabin and the cargo compartment were totally inadequate.