Nietzsche is not much of a model for thinking, except maybe as a signpost one knows points in the wrong direction.
Still, it is true that order does arise out of chaos; there are even situations in the natural world in which this happens.
"The energy that flows through a system acts to organize that system." - Harold Morowitz
However, no force in nature organizes things as rapidly and efficiently as love, reaching heights of nuance and abstraction unattainable in any other way.
My opinion, of course. No scientific proof yet.
And since nobody can characterize love in a laboratory, it gets hooted at.
It is not physics. It is metaphysics.