Earlier quoted context omitted.
(Continuing from bottom of original thread.) If you are finally willing to accept an explanation of what I originally meant, instead of once again claiming that my immediate and complete repudiation of things I never said is just further evidence that I believe— checks notes —some different things I never said, then I guess that's good enough. But I'm merely restating something I already said, so I trust that anyone…
I actually already addressed this argument: claiming that to be tolerant you must be tolerant of people you are intolerant of is a circular argument. The LGBT community is an outgroup in society, and by being more open to said societal outgroups, the left is more open minded in general. To rephrase, your assumption that to demonstrate open mindedness, one must act a certain way towards the outgroup is a self defeatin…
This may seem true if one can't conceive of being accepting of an outgroup. But if we apply this claim to my multiple examples of LGBT acceptance by the right (e.g., my family, Chick-fil-a) then we would (counterfactually) have to conclude that LGBT is an ingroup of the right. This contradicts your claim that "The LGBT community is an outgroup in society". It cannot simultaneously be true that LGBT is an outgroup of the right (surely a subset of society), that treating someone with respect and acceptance makes them an ingroup, and that LGBT are treated with respect and acceptance by at least some people on the right. How do you explain this contradiction?
An argument based on the definitions of "progressive" and "conservative" is no better than saying North Korea is a democracy. In the past twenty years the left has had a shocking reversion to moral puritanism, such as by policing speech. This again contradicts the definitions, so unless we claim that it's reality which is wrong, then we must abandon the original meaning of the words.
Finally, I frankly don't know how to respond to the notion that open-mindedness in the sense we're using it here, or the sense I thought we were using it here (viz. as a rough synonym of "tolerance"), has anything to do with the age of ideas. Moreover I dispute the claim that the left's ideas are primarily new, because they again seem to be a reversion to older ideas; for example, socialism (late 18th century) and the idea that society and history can only be properly be viewed through the lens of race (early to mid 20th century Germany).