Redbeard
Banned
If Germany in 1940 realise the magnitude of the Red Army a sensible PoD ought to have been a serious approachment towards Vichy France, certainly if it is also decided to ignore the British Empire.Less than amazing, it did not exist in France. The Armistice terms prevented the French from maintaining a air force in metropolitan France. Like the tanks and medium/heavy artillery, the aircraft were turned over to the Axis & many soon destroyed. The Armistice did require France to defend its colonies & allowed the maintenance of a air force overseas.
Offer Vichy to have all of France back again now and 5 British colonies after the war in return for 30 Divisions for Barbarossa!? I'm not sure at all Petain would turn that down, after all he wasn't exactly a "commie-lover".
That would probably require giving up any serious Uboat campaign in the Atlantic - but if ignoring the British - do it properly!
The problem is "sensible" - that rarely fitted well into German strategic decisions in first half 20th century.