Undoubtedly, that's entirely the case, and I think the expectation goes well beyond mere language. Their whole culture, Clint Eastwood's Republican Convention assurance notwithstanding, is almost monolithically socially, economically, politically, and religiously liberal.
Here's an amusing anecdote illustrating the point from academia. A Christian apologist spoke at a college campus and had a professor introduce himself as the only evangelical Christian in the department. The apologist said, "You should go talk to that professor over there, who just told me the same thing."