It takes time to learn technical analysis, I don't think that many people make their trading moves by technical analysis, they just follow chart and take decision by intuition. In cryptocurrency, technical analysis doesn't often work.
You are right, technical analysis takes a lot of time and dedication to understand so most people choose the easier road and just follow their intuition I not exempted.
Yes, eventhough without proof or understanding that it will granted but through following them still we have ability to take a good one. Through our ability to decide with our own it has a good potential than knowing technical analysis.