Well, to be fair, Napoleon's not looking too healthy these days, it could be something he ate.
It must be difficult for the Michelin Guide to work out of a French restaurant is good or not. They could walk in, see snails everywhere and that's not a health and safety issue, it's an ingredient.
Restaurants are judged based on their products and cooking, as well as the cuisine's style and its dependability.
Not on polite service of course, it's French restaurants we're talking about.