Yes, but under American law the standard would be whether or not that consequences was foreseeable. This is what I mentioned in my very first comment on the topic.
What is the relevance of American law?
It's also important to note that under American law what is foreseeable is not what is foreseeable to the expert or even to another mechanic or what his license says. The standard is what is foreseeable to the "average man".
What is the relevance of American law?
I am not an expert on French law and I don't pretend to be.
That is clear.
But I do understand American law. And in my opinion if this ruling is allowed to stand, the fact that it is legally correct under French law is so much the worse for France.
I expect France and its citizens will get over it sooner or later. Until of course they have the dawning of a revelation that everything American is perfect.