Well if you think about it the other two classes have longer melee ranger than the titan and have "seeker grenades" which if you look at it the only one with using on the striker is lighting grenade and sometimes that can be hard to set up and defender is the magnetic grenade but I can't tell you how many times I've tossed it at some one and its "smart tracking" caused a good though to miss because it moves around the target I shit you not. Add to that the word of dawn can be made a bitch out of every other super and Id say Ya they are a bit weaker than the other classes but no big deal I still -blam!- from time to time in PvP