Yes stop loss is part of a business, and also a good practice, every new trader make same mistake over and over again that never put SL and TP for every trade but it is essential for secure capital and also profit, I am always put my SL and TP and that's why my consistent in Forex grow up day by day. I agree with you that the stop loss is part of the successful operation and we must all follow the system stop loss even move away from the rapid liquidation of the account.