I have a BA in Economics and never once did I learn about financial markets in my 4 years of classes. Economists don't know anything about markets by virtue of being economists.
Though, he likely has some accounting background and can probably read the hell out of an income statement and tell you that GME is a piece of dogshit and he'd be right.
GME is really the first time something like this has happened and I don’t think we are going to get away unscathed. But if you stick around you’ll see there’s always popular meme tickers that we make plays on: TSLA AAPL MSFT AMD PRPL NIO AMZN PTON SQ SPY BA and a shit ton of others. The next ones will most likely be renewable energy like solar or electric car related. Stay tuned