They would disagree because "lots of people are liberals." Which is, ironically, a common defense a lot of cults use to justify why they aren't a cult.

The "Call centre" script is pretty fascinating though, reminds me a lot of creationists. You can show them evidence of transitional fossils, biology experiments demonstrating evolution in a lab, it doesn't matter. They'll ask for specific evidence, then when presented with it, find some excuse to ignore it, like tone policing or attacking a source for being "illegitimate" or "biased" without even reading it. And when they can't do that, they'll just ignore the responses and only interact with the people hurling insults because they can dismiss that much more easily than a reasonable argument.