Their governent doesn't work like our government. The president can pretty much do whatever he likes without input or consent from the legislative.
The thing this story exposes is the need for an electoral college like system. When one counts all the votes in the same pot regardless of region, a leftist like Macron wins the majority vote. When one counts the vote and weights them by region, nationalist candidates come out on top. Metropolises have too much power in a sum total tally of votes.