Many are picking individual stocks, is that a good idea?

https://www.whitecoatinvestor.com/picking-individual-stocks-is-a-losers-game/https://thebamalliance.com/blog/the-perils-of-owning-individual-stocks/

In general, the average investor who picks individual stocks would be better off in an index fund. 25% of stocks are responsible for all of the market’s gains.