Would the test pilot explain EXACTLY why you can not side slip a Boeing in modest cross winds.
And would the test pilots mate explain EXACTLY why the engine will fail, near to the ground mind, if you so much a think of x-controls.
When I was on the Gemini program we did not take Oxford cadets-real pain in the butt-lots of trap and no ability. This was a view I held all the way through as head of the Staturn program untill I retired recently as head of manual flight skills for NASA/TOP GUN.