Originally Posted by
Parikh1234
If the policy is that a A class fare gets priority over a platinum elite B fare when the CURRENT ticket they have is for an economy seat in Y class, so be it.
That is the policy, and it should be as your friend paid for a seat up front and you paid for a seat in the back.
The only mistake made - as
sbm12 said - is that your friend was not added to the list as a displaced F passenger.