Post modern Progressive liberalism is a mental disease, a malignant cancer of the intellect. And like any cancer, you cannot reason, bargain or negotiate with it. You can only hope to eliminate it before it totally consumes the host off of which it feeds without mercy.
A Leftist never has to make sense, they just have to make trouble and create chaos to serve the dark, evil spiritual forces that survive off other people's misery. To project your value system on these people is pure folly, for they do not understand nor ever intend to share your Christian values.