Just because I agree with their ideas doesn't mean I won't find it creepy. A cult is a cult, regardless of what it promotes. If I wanted to join an anti-creationist community, I certainly wouldn't join that one, and there are plenty such communities that manage to get their message across without coming off as cultish.
The example is supposed to sound cultist because the people think alike. But I have a hard time seeing how a non-cultist anti-creationist group would produce different arguments against creationism.
The non-cultist group could of course not all use the same welcome phrase, but that's not really the heart of what the example is supposed to illustrate,
Another month, another rationality quotes thread. The rules are: