On Reddit, this would be called a thread-killer: a post so thoroughly comprehensive and well-constructed that it absolutely obliterates any need for further discussion about a topic.
I wrote about the common centrist lament, that so many of us refuse to be friends with conservatives over "political views."
This suggests that conservatives want to be friends with us.
It's a shock. I hadn't realized.
https://armoxon.substack.com/p/if-you-want-to-be-friends-then-why