Bingo.
I can only think of one genuine (L) guy I've ever encountered. He was on the old Amazon forum and his handle was "Freedom4All." He was unfailingly civil, could argue his POV coherently, and was just a delight to debate with. His ideas of freedom were, of course, unworkable in the real world but it was enlightening to discuss them with him.
Righty-o.
The few, genuine Libertarians stand out, because they do not run cover for the GOP.