TP and SL are two mandatory things that every trader must determine the value of. If they set TP limit at 2% - then they need to set SL at 1%. They should be consistent like that and keep trading - but I strongly suggest them to have a trading record for at least 30 days. The first day can be a loss - but the second is a profit, they should record everything for 30 days and calculate the performance after that.
Agreed, recording trading performance consistently for at least 30 days is indeed a wise step to evaluate the strategy used. In addition, when a position has generated a profit of more than 10% but the trader does not want to close the position (who knows suddenly plans to increase the profit target), it is better to consider setting a stop loss in the range of 50% of the current profit value. This approach can help secure some of the profits if there is a sudden reversal in price movement. Rather than being never satisfied with the profit, until finally market correction and stop loss of being triggered, we have lost some of the entry money. However, if you are lazy to open an exchange, it would be better to ensure a maximum stop loss of x% (based personal perspective).