Some levels have no fish.
I have not yet played NL 100
No matter how good you are, no matter what level you play, there will be players with more skill than you, and players with less.
Calling other players "fish", "noob", "donkey" and the like is something IMO is done by weaker players who want to feel strong themselves.
On any given day, the weaker players can get better hands, and the more highly skilled players will -- rather often actually -- overplay their premium hands.
I learned a lot from the following chatbox exchange I saw in my first shot at NL 50.
The BU had opened raised 6:s7:s, was 3Bet by the SB and called.
He flopped a straight. SB bet large, the BU 3Bet and the SB shoved AA and lost.
In the chat window SB typed:
"What kind of idiot would call a 3bet with 67s ?!?"
BU replied: "The kind that will take all your money when he flops a straight and you shove on such a bad board".
I watched a WPT final table on TV a few days ago.
A former champion 3Bet w/ J5o
There are fish at every level.
You yourself will be one unless you learn to judge your own skill, judge the other player's skill, and learn to read boards, hands and players.
This is the place to do it.
All the best,
--VS