Yes, but those types of players (like flamie in na`vi) are easiest to replace. You just get someone else who has good aim, plenty of young pubstars everywhere. Players like fer, krimz, rain are hard to replace because they change your whole setup (and IGLs too obviously they change your game plan). You need players that can play off each other. 1-2 dumb aimers in a team is max that you can have because they only work when paired up with someone who knows how to play off info, bait when needed, survive longer, draw attention away, etc.