Or, the Valar wanted to keep the Elves from killing one another. 
 
Although, Finwe's potential mishandling of the situation, and preventing Feanor from killing Fingolfin are probably related.
		 
		
		
		
		
		
		
			
				__________________ 
				...finding a path that cannot be found, walking a road that cannot be seen, climbing a ladder that was never placed, or reading a paragraph that has no...
			 
		
		
		
		
	 |