From an objective standpoint read what this trader had to say base on his experience as a trader that has being trading for years just as you. With your own true experiences share your disagreement and agreement with about his idea
Many people believe that being profitable means you have to live some luxury Life or have expensive cars and houses.
The real profitability doesn't defines those lifestyle but is judged by how often you follow your rules. You can take a profitable trade but it's not a good trade why? Because that trade was taken out of luck not because you followed your trading plan.
A real trader will always try to follow their trading plan at all time no matter how terrible the market might be. So even if you take the trade and it hits profits if it didn't follow your plan, you risked too much it is considered a bad trade.
Something you cannot repeat over time is luck not trading.