Ok I was wrong... after a couple of games with fiddlesticks, I restored hope in him.

So after the recent nurfs especially the jungle item, I thought fiddlesticks sucks and I was really frustrated, but after some advises from the community, here (/player/NA/Kouga) and in reddit, I totally changed my view.

I can dominate games again and cause a lot of flaming in the other team (doesn't make me happy). Waiting to see rage quits again, not that I enjoy them, but that I feel that things are back to normal.

That taught me that your psychological state is very important in games.