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Because of posts like these:

Most people do not fully internalize survivorship bias and are tempted to jump in on the easy money.

Same reason people think the lotto will make you rich. They see one person do it and think that can be them.

Because there are some very rich traders, including the fourth-richest person in the world.

he's an investor, not a trader, and has outsized influence on the outcomes of his investments.

A distinction without a difference. He is an active trader that moves in and out of businesses all the time.

In fact, he just dumped all of his airline stock recently due to Covid-19.

It doesn't matter if you trade based on research or not, you're still a trader.

au contraire, it's precisely the most carnal difference, that of intent and of effect. investors want investments--the companies--to succeed, and thereby externalizes a net positive societal effect; traders want their bets to succeed, others be damned.

Who is that?

Warren Buffet

Who is not a trader.

See XKCD "Survivorship Bias":

* https://xkcd.com/1827/