You don't want the wheel spinning in the air because you don't know the condition.
If it's out of balance the vibration is pretty wild.
If it's blown it'll cause damage.
The gyroscopic action of a spinning tire causes side loads on the bearings with lateral gear retraction motion adding to their wear.
The speed match problems have already been mentioned.
It all comes down to money and there's no relative savings to spinning up the wheel for landing.
That's just a couple of reasons there are spindown braking systems on the wheels and not spin up for landing systems.