Pretty much. "Racist!", "Hate!". They are just buzzwords that serve to shut down debate.
Land explains this better (mentioning Thiel, too) at http://www.xenosystems.net/nrx-and-liberalism/. His thinking there should apply broadly to all non-left (non-)politics.
I personally like that they are embracing "progressive" more. I think it's more accurate than "liberal" and uniquely theirs.