Nah I think this is real. Prepping the kitchen is fundamental and done before opening times. I see no reason why you wouldn't have various pastes on hand for different dishes. I've seen cream in Rogan Josh too. There are many recipes that call for it and the actual recipe is just about global and not BIR.
Nice one PP. Jealous now of course since I'm search. Oh well, onwards and upwards. ;D