User blog comment:Callofduty4/Why is it a sin for Treyarch to rip some aspects off of Infinity Ward but OK for Infinity Ward to rip off some stuff from Treyarch?/@comment-1721621-20091224022726

Infinity Ward is superior. They are the original makers of the series and Treyarch is lucky they can make a game under the CoD name. Infinity Ward has every right to take something from Treyarch as it is their game, but either way Infinity Ward is much more creative then Treyarch in their games.

Also what exactly do you mean by Infinity Ward ripping of the Ranger's Model?