MRLIMO, I think you are absolutely right.
I guess I was grouchy because the CDG RCC staff had placed me on the upgrade list to First Class (we chatted a bit and they were shocked to find out that none of the 777 leaving that morning from CDG had in-seat videos, so they thanked me for letting them know...).
However, an extra-cranky/snotty French gate agent nixed the upgrade (although there WERE available seats in First) when I boarded!!
THEN, they fill the C cabin with Y passengers.....