User blog comment:Jasca Ducato/Assassin's Creed: Revelations (360) - Official Assassin's Creed Wiki Review/@comment-189.149.250.166-20111122122427/@comment-673285-20111206223925

I actually ended up liking the bombs more then I thought I would. There are aspects of the game that do require the bombs - some full-sync requirements do, some full-sync requirements are made much easier with them (*COUGH* Decommissioned*COUGHT*), and if you want to open any of the wells the only way to do so is to explode them.

They're not really all that necessary the first time around, but if you're playing through the game a second or third time, or you're just trying to do everything possible in the game, the bombs get to be pretty cool.