The best strategists in history have invaded Russia. It’s what you do when you want to go bold.
Napoleon was first pals with Tsar Alexander. Only when Napoleon insisted on the embargo of the UK did Alex fall out - and that too purely economically.
Napoleon's invasion was aimed at telling Alex that he was a naughty boy
The Nazi invasion was purely to conquer farming land - that was clearly stated in the Mein Kampf
correspondingly the goals of both invasions was completely different