User blog comment:Callofduty4/Black Ops II Xbox community update (7/23/13)/@comment-108.40.57.21-20130803191749/@comment-1187559-20130806132658

Because that would ruin the speed that CoD likes to play on. TF2 is a more casual game than CoD so it works for Snipers to be timed, but CoD is too competitive to have a gun you need to wait on.