Now that the findings of the Queensland Coroner into the deaths of three men who worked on the federal government’s home insulation scheme have been released, questions about whether enough has enough been learned to prevent further tragedy are being asked.

Just as Kevin Rudd was just settling back into a short stay in the big seat as Prime Minister, the ruling of the Queensland Coroner investigating the deaths of 25-year-old Matthew Fuller, 16-year-old Rueben Barnes and 22-year-old Mitchell Sweeney were being released. The three were working for installers under the…