I’d say as long as you’re aware that people tend to get gullible, you probably aren’t.

Same as how someone genuinely believing they are dumb means they aren’t truly dumb, because a dumb person wouldn’t ever realize that

Get in more

That’s the same in German, drives me nuts

With how many native speakers still mess up your and you’re, and especially “should of” instead of should’ve, I would actually wager theyre a native speaker