It breaks the G canon, that's more than reason enough to despise it. But then it's just so bad as well. More plot holes than usual even for Disney Wars, extreme diversity for it's sake with no value added, jedi are evil for no reason.
Random cabal of lesbian witches, which are just bootleg Dathomirian witches, are more badass than Darth Plagueis and made not one but two Anakins a hundred years before he was born... Then they die in a fire a kid started in a stone fortress by burning one small item.
Just not worth the time investment really, but that's the truth for pretty much every Disney wars show and or movie isn't it?