See guys, here's an opportunity to apply the principle of charity! When he says "You are slow," perhaps he means: "You are using what Kahneman called 'slow' thinking, i.e., careful, deliberative System 2 thinking, and that is admirable" ... lol, just kidding, he's being a jerk https://twitter.com/enlightnup/status/1109188200512155648 …
He could also try to convey an imagined sense of companionship among two peerless warriors galloping through an empty expanse of grassland, with all other folks being engaged in pointless battles that are still raging far behind them