Unless something is TOTALLY different, how the hell would a fuel guy have an inkling of how much fuel was remaining?
I have not had a fuellie in the cockpit (where the gauges are) in 25 years. Maybe you guys have fuel gauges in the outside fuel panel?
This kind of story would be EASILY checked by checking the departure fuel and the flight time etc...as we all know.
Sounds like duck, looks like a duck, smells like a duck....it just might be a ...........
As far as SAS people throwing stones, you should be the last company´s employees to throw stones at any other company.