obXKCD: https://xkcd.com/386/ . To the original point, sometimes it DOES matter, if it’s a wrongness that’s repeated enough to change the tone of communities that you otherwise enjoy. You still need the skill of noticing that you’re at an impasse, and not actually collaboratively seeking truth. But then you have to find some middle ground between stepping away and continuing to have good-faith (on your part, it takes charity to attribute it to your opponent) object-level discussions. I’d generally advice writing up a paragraph on your disagreement and stating that you’re done with the topic for now. Post it once per repetitious thread where this is happening.
obXKCD: https://xkcd.com/386/ . To the original point, sometimes it DOES matter, if it’s a wrongness that’s repeated enough to change the tone of communities that you otherwise enjoy. You still need the skill of noticing that you’re at an impasse, and not actually collaboratively seeking truth. But then you have to find some middle ground between stepping away and continuing to have good-faith (on your part, it takes charity to attribute it to your opponent) object-level discussions. I’d generally advice writing up a paragraph on your disagreement and stating that you’re done with the topic for now. Post it once per repetitious thread where this is happening.