Earlier quoted context omitted.
That claim is not phrased like that, so why would we interpret that way? > average So what? It's like saying that since an average person can't run a marathon it wouldn't make sense for any individual to even try it. How does that make sense? > cherry picked If we agree that 50% of all investors can't beat the market, what proportion can? 1%, 10%, 30%? Because there is a massive difference. How do we even define that…
You’re missing the word ”expect” in the original claim. You can beat the house at blackjack, but you can’t reliably expect to do it.
> you can’t reliably expect to do it.
Sure, I can't. But assuming that it's not entirely random chance some proportion of people certainly can.