Earlier quoted context omitted.
> It is a skilled ability (price discovery), just not when many other people are also doing it. Not true. This has been studied and disproven[1] many many times. The only people who keep saying that are either just too stubborn, disinformed or just lying because they have a vested interest. [1]: just one article (there's a lot of research out there) https://www.barrons.com/articles/monkeys-are-better-stockpic...
Thought experiment: if nobody picks stocks, and everybody invests in passive index funds, how does price discovery happen?
However, that thought experiment doesn't make individual stock pickers and active fund managers better (skilled) investors in any way.