So...Golf=ok, Pizza=in the pooh!
What's the problem? If the flight was properly auth'd, had training value and the LZ was legal then good on the bloke. It's about time we had a bit of fun back in the job.
Once the fuss dies down I sincerely hope it does the chap no harm long-term. Ideal chap for Rations Officer 2ndary duty!
(I wonder if he'd deliver more eggs to Buff H?)