TA is based on the assumption there is a continous trend, which will decide the chance of the next move within particular range, so reading chart is trying to be a good trend follower;

Researching fundamentals is to predict the trend when the trend is unknown to most market players, so the goal is to be a good trend forecaster;

it is obvious which way will make the most gains, because it is the difference between an inovator and a follower.