If the federal government intervenes in a bitter industrial dispute you would hope that it could get critical facts right when arguing its case.

On Monday, Employment Minister Michaelia Cash penned an opinion piece in the Herald-Sun outlining why the Turnbull government was creating new laws to protect volunteers in workplace agreements.

This was a key election promise; to save CFA volunteers from a union takeover of the CFA.

There is no doubt the controversial workplace deal has caused angst, with opponents warning that will drastically undermine the storied role of volunteer firefighters and hand undue control to the United Firefighters Union.