7) Is someone excited about a thing you hate? Are they having fun with the thing? Is the thing a front for white supremacist recruiting or organizing the overthrow of the US government? If the answers are yes, yes, and no, respectively, shut the fuck up and let people enjoy things.

8) We are all occasionally That Commenter. If someone you have a pre-existing relationship with replies to you and lets you know you're being That Commenter, it's because they have a positive enough impression of you they don't want to go straight to block. Treat this like the warning sign it is.

I think I'd extend the government one to "...any government that is broadly popular and isn't committing too many human rights abuses", but other than that, yeah.