Why ? Many traders swear by it...especially because of the flexibility in choosing different pairs as well as the good liquidity.
We are related. We aim to introduce him into the family office if he finishes his grad in finance. He will be doing administrative work at first but ofc he want's to join the trading desk at some point. Who wouldn't. It's like beeing the only bird who can't fly in that environment he is in so to speak.
Because beginners are attracted to high leverage and have an upside down view of risk and risk appetite. It puts the “get rich quick” against the Pros in a woefully lopsided match. On the other hand, trial by fire, if survived can allow an aspiring trader to cross the bridge into the promised land where dreams do come true. It’s low probability though, since time is what is needed to hone patience - not really retail’s forte.
Reminds me of this quote; "If it is important enough to you, you will find a way. If not, you'll find an excuse." ~anon
By watching the market for the last few decades. By reading what works for other traders. By trial and error. Lots of error.