probably they call "so-called left" the liberals
Nobody would call them "left", especially not during Macron's 2nd term, the Walkers (or whatever is their new moniker) have firmly solidified as liberals in the right-wing sense (rather than in the bottom-wing sense).
Nobody would call them "left", especially not during Macron's 2nd term, the Walkers (or whatever is their new moniker) have firmly solidified as liberals in the right-wing sense (rather than in the bottom-wing sense).