This was legislation that would have eliminated most PFZs, with an additional training requirement. It was not ideal, but it was a move in the right direction. Since we got shall issue, we have been slowly loosening restrictions and getting rid of some of the more onerous requirements.
We currently have a Republican governor and a Republican legislature, so this seemed like our best chance. The "controversial" part of the bill would have allowed lawful carry in schools, which is probably what prompted the veto.