Exo 20:4“You shall not make for yourself an image in the form of anything in heaven above or on the earth beneath or in the waters below.
5.Youshall not bow down to them or worship them;
I am afraid that society has never considered that denying "God" is a form of "hate."
I douhgt the "shooters" had ever heard that from any preacher or from any Christian friends or neighbors.

IDOLATRY can take many forms.
Pastor Timothy Keller wrote: "the idols that drive us are complex, multi layered and largely hidden from us." (Counterfeit gods)
Ones Ideology can become a driving force in every day life. It seems this violence is mostly driven by their ideology!
Hate blinded their eyes, hidden in their ideology is IDOLATRY!
We have let down society with a quiet Gospel, because some shouted "judgmental"! We have tempered our witness to God loves you just the way you are, instead of proclaiming "Therefore hear the word of the Lord" Isaiah 28:14