There's nothing anyone can say or do. If you try to point out it's just a theory, Lark will just say you're dumb and cite wikipedia or something as equally 'concrete' to try to prove his opinion is fact. It's honestly more funny than annoying.
Keep in mind this is the guy that typed 'ASSumption' earlier in this thread to help prove his point
It's hard to take him seriously. I'm starting to think he's just trolling.