Conversely, if you recognize this, do not let "liberal(ism)" become a thought-terminating cliche for you.
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.