Earlier quoted context omitted.
It's a reason among others, but this bike-centric policy (pedestrians nor public transport are the priority) led to an exodus of families [0]. I am among them, as I realized pretty quickly that it's a real pain to move around, buy groceries, go to the doctor, and so on with very young children in Paris, especially if you don't own a car. And now you have to deal with the uncivil behavior of the cyclists, moreover. It…
You do realize that (i) "zones" are just restaurants / cafes / museums that have minimum age requirements and not some demarcated city blocks where children are banned and young adults party all day and (ii) this occurs semi-frequently in the west as well.
"The West" is a rather large part of the world.