It's pretty simple, Cap'n ... libtards are full of sh!t ... and they know it. So, they work off of a variant of age old wisdom ...
"It is better to force everyone else to remain silent and me be thought of as a ridiculous fool, than to allow open, honest debate and remove all doubt."

The essential American soul is hard, isolate, stoic, and a killer. It has never yet melted. ~ D.H. Lawrence