Even if they do produce large numbers of cruise missiles, the destructive power is still going to be a lot less than air dropped guided bombs  of 250 or 500 kg.  You are not going to destroy a hardened bunker or hangar with cruise missiles.  There is a lot of utility in dropping massive amount of heavy munitions from over the top with a bomber.
Such is the utility of something like h20.
			
			Such is the utility of something like h20.
 
				 
 
		 
 
		 
 
		 
 
		 
 
		