Why is Corki's Diamond+ Winrate ~46.5%
It was the same case when Ardent Censer was stronger too. That should have favored him because he'd have more squishy supports to kill when he roams with Package. The bonuses it provides also synergize with him but somehow, he was stuck at the same winrate then too. I really enjoy playing him but I'm not sure why his performance is so abysmal in higher ELO? Is it the item dependence? The lack of CC? The late game? The skill required to optimize Sheen procs. while attack- moving (but this is Diamond+!)?
His winrate isn't great at lower ELO either (~48.5%) but it's never as bad as in Diamond+.
prevents him from roaming and can't be killled post

have scary burst, even through
have lock down, so a gank is always a kill post 6.
shove him in and stay out of auto range.
fucks Valkyrie right up (not seen often, but it's funny).
rush
and outscale him
is better in early laning and can pick up a