"............This wouldn’t be the first time such weapons have been used in modern air warfare. The U.S. used laser-guided concrete bombs against Iraqi targets in the late 1990s for the same reason France says it’s using them.................."
Read more:
http://defensetech.org/2011/04/29/fr...#ixzz1M2b32dAU
Defense.org
I guess it all depends on what you want to do - or not do - with the weapon you are using. The article does state the ones they are using are guided munitions.