The answer is because they take the wrong way to learn technical analysis. Almost all beginner traders jump too far directly into the practical realm, without ever wanting to learn the basics that must be had in performing technical analysis. Like learning martial arts, like it or not you have to practice physically first, learn the horses, understand the steps, then apply the moves. In addition, you also need regular and continuous training. It is impossible for you to become a martial arts warrior to choose a match without going through these stages.