30% Stop out should be totally removed from the system. Traders should manage their own risk by setting own stop loss and take profit

Hi Team
Hope you agree every trader knows how much risk he can tolerate and take. For that matter its good to allow traders set their own stop loss and take profit levels. Which ever comes first they will willingly accept and digest. Thats their own decision. However, for me its not the best or reasonable to risk the 30% stop out after which the trade reverses in the direction you were trading. this happens more often than not. I think the stop out causes more lost than protecting traders account. Anyone can comment on my view.