Got a rough answer to why weather follows the same direction as earths rotation.
I think it's very similar to the "water in a bucket" theory.
If you fill a bucket with water tie a string to its handle and hang/suspend it in the air.
The bucket and water will be in a relative rotational equilibrium state.
Now start spinning that bucket, you'll notice at first that the water inside remains motionless, save for some vibrational ripples.
As that bucket spins faster you'll notice the water begins rotating in a similar direction with noticeable centrifical forces pushing the water outwards up the wall until they both reach a new rotational equilibrium.
I believe that this theory can be applied to (very fundamentally, bound to not have all the correct aspects) why the weather follows the earths rotation.
As "weather" is essentially a fluid being primarily comprised of water and air/gas (which is also considered a fluid).
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