i main jungle and i find it perfectly acceptable to play champions who need to wait till 6
I find it distasteful and cowardly to boast about how you hid in the jungle until you have your ult and then start making impacts on the map, then proceed to brag about how good you are doing and how everyone else is beneath you.
thats like watching your friend or someone you work with fist fight and then when they are both exhausted you come in and knock the other guy out and start preaching how you saved his life.
you didn't do anything, you sat there and watched and did nothing until you could make yourself look good.
is just wasting his time trying to tank pre-6, no he is not creating pressure on the lanes (any good laner would realize that he just would not be able to do anything unless flanking a very pushed lane), he is just preventing himself from being relevant. This is just an example of a champ who really should farm unless a really good opportunity arises pre-6.