Which shows that either the data is misleading, or they are interpreting it poorly.
No it doesn't. It's based on how Zacha has played and it has been incredibly rough. He has the worst CA/60, GA/60, SCA/60 with the 3rd worst HDCA/60 and xGA/60. He is a god awful defensive center and always has been. He's been misused all year because they've kept him in the middle. That's why he grades out so horrendously