I don't think there is stop hunting in forex. It happens much much mor ein stocks and futures. In forex i just think as there're an enourmous amount of traders, investors, exporters, etc etc... it leads to high volatility in the short term. Also economic news can impact the price for the short...
I liked this article. Of course in real world not everything is easy and it's often difficult to find clear stages. But the idea is good to shape the long term scenario. Could be good also to decide when hedge or not a long only portfolio