Why do "traders" think trading is the hardest income to earn in the world?

traders can put in hours of effort, but success can elude them.

Trading will feel difficult, especially if we experience a losing strike, losing continuously will make us mentally down.

Many professional traders warn novices that trying to gain success overnight is daunting, unrealistic, and quite discouraging.

the effort one puts in is not directly related to a clear and immediate payoff.

Becoming a trader who is consistently profitable is rare, and this fact hinders one from making a firm commitment.

traders can put in hours of effort, but success can elude them. With trading, a threshold of skill must be achieved before rewards, or profits, are consistent.

Trading is different from many professions in that the effort one puts in is not directly related to a clear and immediate payoff.

It's true that if trading was easy all traders would be billionaires

It takes 10,000 flying hours for someone to become an expert in a field, it doesn't take an instant process

Trading at first is difficult because this is a job that is never taught in school or by our parents, but when it is profitable, it will be very meaningful and can be a source of income.

The largest mistake any trader can make is to let emotions control trading decisions. 

it requires a combination of knowledge, skill, discipline, and emotional control. 

 stock market trading is so difficult is because it's unpredictable.

Many individuals enter trading without solid understanding of financial markets, technical analysis, or risk management. Lack of financial literacy can contribute to cahllenges in trading success

Achieving consistant profitability in trading is difficult. Market condition vary, and what works in one scenario may not work in another. Developing a consistently successful trading strategy takes time and effort

Due to Risk and uncertainity

because their mindset is that they want to get rich quickly by trading full margin the next day. Margin call and stop being traders because they feel like they have failed

Actually trading is the same as any other business. only disciplined traders can survive.