This is an ideal and never seemed to be the case. Ideally we want to flow with the market but we can't see the real market's direction. In fact, if you are trading a single pairs, you never will.
Stay with your indicators, stay with your system, and you may succeed but most likely you will fail.
Good system will predicts single pair movement based on technical analysis tool. The truth why there is hype about T101 system is due to the potential of forecast/predicts market's direction.
Market will moves from imbalance state to equilibrium state. Yes, it is also about the theory of supply and demand. When market moves, you want to know which direction it will goes.