Experience is what that matters most in trading. If you use indicators but you do not have experience in trading, you will lose more often because making profit in trading is not only about indicators. Although the indicators are still very important because it will still help you make good analyses which is their work and not for making profit in trading.
Any trader who is knowledgeable enough can make profits while using those indicators, in fact indicators are what leads a trader to success trading if he knows how to use them properly to trade. We know how trading is very difficult depends on the types of trading that person is going into, and with the helps of the indicators if properly used at the right and the right place to trade he can make profits using them, but anyone who doesn't know how to use them even though they are regularly studying the market using those indicators to analyze trade would never still make profits from it their trades.