Reading at the incident, the Boeing 767 didn't really run out of fuel but merely complex Fuel Quantity Indicator System (FQIS) problem. BTW, have you heard of real one that actually ran out of fuel? I used to be with this airline, our 747 left LAX to HNL, headwinds forecasted at 180MPH but it was >250MPH, at point of no return flight crews realized fuel wasn't enough to get to HNL, they changed altitudes but didn't help, crews cried out to G-d! Thankfully the 747 made perfect touch down but the engines quit after they trust-reversed the 747 was towed to the gate. Boeing or Airbus, they're only man-made, they're not perfect...!
No, it (the Gimli Glider) really did run out of fuel.