Posts with errors and bold statements get more comments and more interesting discussion. I saw the integrals yet called it geometry. Wasn’t really a test because I wanted to learn a few things and enjoy people learning from each other in ways far more than I could give. I have friends who are smarter than me so it was worth it. Benefit outweighs cost.
That’s the cost – people’s impressions. But still, the benefits are worth it.
I can be all three. Moron, liar and troll. Or disingenuous. People like throwing that word around me when they’re in a debating mood.