You are commingling Federal court cases and federal departments in the government.No federal court in the United States has made such a ruling that has stood appeal. 23 states in fact have laws in place requiring that rideshare drivers be classified only as independent contractors.
Otherwise, I agree with your wish list and also agree that the new secretary of labor is not insane.
A court case resolve differences between two parties.
The court case happens when someone wants to fight the ruling/fine/regulation.