Because their greatest soldier was a woman, their greatest General was an Italian, and their graditude is as good as their memory?
Let's not forget that in the former case, they also promptly executed her when she became politically awkward, instead of giving her something else to do.
And let's also not forget that Napoleon had his @$$ handed to him by a British footwear designer at Waterloo; his troops broke and ran. Even the Old Guard couldn't stop the inevitable at that point.