It is, in my opinion, the most relevant thing in the entire text.
If they left you because you are conservative, then thats a good thing. And should have happened sooner. Hopefully to others as well, they deserve better.
You need us more then we need you, so change or be alone.
Something something Leopards and faces.
I have no sympathy left for these kind of people. You are not “one of the good ones”, you were used and are now discarded like every usefull idiot eventually is who believes they are somehow special enough to be spared.