User blog comment:Bovell/Black Ops becomes top selling U.S. video game of all time/@comment-2103721-20110312213752/@comment-2103721-20110314205125

AND the RC-XD was, in a nutshell, Treyarch saying, "n00bs, come hither, we have a next to impossible to destroy, outrun, or survive killstreak, at only three kills"