No, but you can tell me how much extra fuel they used by doing so. You can tell me why we should give a damn how much extra fuel you used. Maybe they did it just to wind you up and make you burn your extra 200 kilos. I do that sometimes.
We're they low enough to shorten their approach and not screw it up? Maybe they'd have had to fly the exact same track miles on a visual approach in which case what would be the point?
It's also possible to fly that whole procedure at flight idle, that'll still save fuel over the planned burn, maybe even over a visual approach which most people tend to fly flatter and with a bit of power on.