No, typically cabinet would be presented with options: “If you do this, then it's this. If you do B, then it's C.” It's not only possible, but it's common that cabinets review information that is not urging a particular course. It's the job of cabinet to make the decision. These are records that merely inform and give background data.
In defence of the Information Commissioner, she is appointed by Parliament. She is a high-quality individual. I have a lot of faith in Parliament's ability to pick quality candidates to make those hard decisions about what's in and out in cabinet.