They just hate Christianity.
I would say that this is the central tenet of the Left, and has been since the French Revolution (which was extremely anti-clerical). The Left is at war with the God of the Bible. Other gods? Oh, they're ok.
DING DING DING...We have a WINNER!!!!
“The Left is at war with the God of the Bible. Other gods? Oh, they’re ok. “
No they are not ok with Islam. Islam just serves their agenda to destroy the west. Better description would be “violent useful idiots.”