Minister for Energy and Emissions Reduction Angus Taylor (Image: AAP/Mick Tsikas)

There’s a truism battered into the brain of every young journalist: when a story’s too good to be true, it probably isn't. That’s why it demands rigorous fact-checking.

This is something The Daily Telegraph should have had in mind when it received the now-notorious drop of Energy Minister Angus Taylor scolding Sydney Lord Mayor Clover Moore over the city council's travel expenditure. Taylor has conceded the figures in this document are wrong, but says no one in his office was responsible for changing them.