A quote from the politician documented in the article:
"Some minor thing has to go wrong , like crosswind or be a bit to heavy, and the plane will burn more fuel than expected and will need more fuel enroute.
If this happens at a location where a stopover or emergency landing is not possible, there will be incalculable consequences"
He kind of suggests a plane could crash because KLM deliberately let pilots fly with not enough fuel in order to reduce costs.