His win rate wouldn't say so.
I'm sure his win rate suffers from bad players playing him. But when you see an actually good Pyke its maddening. You can't gank him, you can chase him or run from him... He is too lethal, while still being so insanely safe. Something has to give right? The healing, the movement speed, the invisibility, the hook, the lethality cmon he is an all star champion