Sherm, Lord Beaverbrook wasn't doing the much harder task of managing a program dunnunda, he only had to deal with the Germans.
A competent manager would have access to sufficient resources to give specialist advice if and when needed. Keeping pilots in cockpits seems a better use of talent.
Heck, next someone would say that Trump is not fit for the office of POTUS as he had bone spurs! Golly.