The second comment sets out the problem clearly:
The purpose of FOI's is enable policy making and the information and decisions leading to it, to become fully transparent. Anybody refusing to comply evidently has something they'd rather the rest of us tax paying mugs didn't see.
For Stirling read the rest of tobacco control.
A rather less reverential piece on Stirling University from Leg-Iron can be found here. I have to confess that I went to Stirling University in the 1980s and completed my degree several years later with Open University – sadly a close ally with Stirling University in Tobacco Control. My memories of Stirling University are hazy at best.
Background posts #1, #2, #3.