It is wrong to be דן לכף זכות in this case. He has said and done things that are plainly אסור. Our fixation with דן לכף זכות has led to a situation where, like שאול המלך, we are מרחם במקום שצריך להתאכזר all too often, at the expense of כבוד שמים.
This is a repulsive call-to-arms against the Torah, and we should not allow ourselves to be lured into complacency by specious arguments. Of course, nobody is perfect. Even the most egregious Ba’alei Aveira should be encouraged to do Teshuva. This, however, is no mere individual sinner. It is a communal statement of ideology in conflict with the Torah, and must be condemned in the strongest terms.
ע’ משך חכמה על הפסוק לא אוכל עון ועצרה (כמדומני בהפטרת חזון) משכתב בענין זה