Arguing what you believe in is not what “arguing in good faith” actually means. If you’re arguing in good faith it means you aren’t using any logical fallacies, insults, and are genuinely attempting to have an actual conversation. It has nothing to do with how good of a debater you are, or how valid your argument is.

So you’re Florida man could absolutely be arguing in good faith about the beehives in the center of the earth even though that’s very easy to disprove, while someone arguing for gar rights can arguing in bad faith when they start saying things like “every single Republican is a Nazi” (strawman argument) even though it’s objectively a good thing.

Here is a good article about what “arguing in good faith” actually is.

And yes, I know it’s Grammarly which is an AI tool, but I read through it myself and it’s a good article.