That's definitely one of the things that you can consider when you are talking about trading and if that's what you have experienced so, why not?
For me, the people who are earning a lot are not so noisy about it and just keep it in a low profile unless it's an enormous amount of win and needs to be televised or something.
Because there is nothing for them to prove in public that they are earning and for their safety from hackers, they keep on silent and continue trading.
And I know that trading is really profitable to others but it is also a disaster to others too. It is certainly hard for beginners to earn a profit which I see OP had complained about his experience from trading. But such a mindset couldn't really stay in trading and no way he could understand the situation for I believe he is not doing well and chasing success but can't accept losses.
There are limited people that can do the trade while making it as a living. At first it was so hard that it took almost all of his funds just to earn a decent profit and finally gained the experience and idea of how to trade with his own strategy for trading. One thing he said to the others was, don't try it because it might not work for you since it took him almost two years to become a good trader.
I can't imagine how much money and energy he needs just to go like full time traders like that.