Not starting a p@$$ing contest...
I'm not going to give you my résumé, but yes, I know a plenty enough to offer informed comment. Both from a military and civilian point of view. I have no allegiance to either the OP or Dick, I just happen to agree with them.
And yes, Username here, you're spot on, the caterers know just as well as any other specialist in how to operate in the Defence environment.
When the level of beuracracy required to run a simple gym PT session is 5 times more labour intensive than the actual 40 mins spent working out, something's not right...