Are we inside a bottle in some alien laboratory?
Seems obvious, but I am not an astrophysicist.
Maybe that's the reason all the components are rotating.
OR, maybe the spin of the components is what makes the Universe rotate. Like jillions of pinion gears inside one giant toothed wheel.
Everything that exists is rotating,spinning, or vibrating (which is just a tracing of the spin and rotation as the universe spins). Molecules are no different than planets or galaxies. As you well know, everything is molecules. As already mentioned, it just seems obvious. Often the obvious escapes us. Me more than others.
That reminds me of the theological comment, "As above, so below."
To me too, and me neither.