I am not by any means a Francophile, but understanding the French defeat in 1940 doesn't require one to focus solely on the shortcomings of the French.
France had been bled white during WWI, they lost a goodly portion of a whole generation of young men. Their fondest wish was to avoid another bloody war and to protect their country from invasion. Unfortunately, as is often the case (and not just for the French), their plans and preparations were designed with the last war in mind. The Maginot line would have been nearly impregnable if the Germans had used the tactics of WWI. Instead they developed an entirely new form of attack, the Blitzkreig, or "Lightning War". Fast moving armored formations advanced rapidly through areas where they were least expected, simultaneously they used tactical air power to completely disrupt the areas ahead of their armored columns. Columns of French refugees were strafed and bombed, creating huge roadblocks that hindered the ability of the French forces to maneuver in response to German attacks.
Lest anyone think that the French were dullards, the Germans came pretty close to splitting our forces and inflicting a similar defeat on us during the battle of the bulge in 1944. It was only a fortunate series of events that allowed us to get off as lightly as we did, and after three years of war, we were FAR more prepared than the French in 1940 and had far LESS excuse to be caught napping.
I'll close with a quote that pretty much explains France's biggest military problem.
"I note, however, that the French have Germany on their borders, a condition associated with military failure for everybody enjoying the same circumstances."
---- Fred Reed
To get back to the actual subject at hand...
Other than the complete lack of an intelligent carry mode (IE:no manual safety), I've been reasonably impressed with French bolt action infantry rifles. The French surplus ammo that I've used is a different story, it seems to have more failures to fire and hangfires than any other surplus ammo I've ever used. This includes both 7.5x54 and 8mm Lebel.
Has anyone else had problems with it?