Trading courses and coaches are useless- true or not

What kind of system can accurately locate support resistance and trend when doing transactions?

Why is it so hard for an analyst to be the best trader?

Everyone talks about whether the news is bullish or bearish. Why does the market still go in the opposite direction?

Why can you see the general direction right, but make a bad point in the transaction, and lose money instead?

Why do some people want to call orders? If he can make money by trading, is he still using it to call orders?

What do you think about this question?What do you think?