He caused massive consolidation amongst the left to prevent losing to the far right. You are looking at one of the four parties that came together to form the NPF. My understanding is that France Unabowed, Socialists, Greens and Communists came together to form the NFP, which as a bloc, is the largest contingent.
POLITICO analyzes the vote that redrew French politics, in which the left beat Marine Le Pen’s far right.
www.politico.eu
The left-wing alliance is on course to win the most seats in a dramatic parliamentary election.
www.politico.eu
Now, he's having to defend the far left just as he was the far right. And the far left's rhetoric is just as awful, on top of ludicrous positions (90% top income tax bracket, for instance).