I'm getting lost here...

I thought that when the Piece Concept (I'm talking about the one between Europe and USA, for AF) was reduce to 2 x 23 kg (like 1.5 year ago ?) to Y passengers, Platinum still get the 2 x 32 kg... and to be honnest up to May I still get it because I'm flying on that route every 2 months with more than 2 x 23 kg each time, since like 5 years...

This morning at CDG they wanted to charge me some extra because I was over the 2 x 23 kg, even being a Platinum!

I'm missing something: when did Platinum officialy lost that benefit?