"This raises questions about the level of organisation that was in place on the ground."
A scathing report has found "significant issues" with Corrections' planning, preparedness and response.
The riot lasted six days as up to 19 prisoners camped out on the roof of the prison's Top Jail (high security cells).
The incident has been referred to police.
The Parole Board said every time Gilling moved prisons, he seemed to have gone backwards.
"The announcements are just hollow announcements without any substance or detail behind them."
It will be used to fund more Corrections officers, more support for offenders to turn away from crime, and more prison capacity.
Prisoners are still facing lengthy spells in their cells despite Corrections resolving its staffing issues.
It comes after the million-dollar machines caused uproar in Parliament in 2019.
