And yes, in order to call it any science at all, you must be able to make some sorts of predictions. Otherwise, you have just another pseudoscience like astrology.
You might want to leave Popper back in the 50's, where he belongs
I'm not against new hypotheses, but TA is simply pattern seeking behavior with no utility. I have my own Bitcoin pseudoscience I call "Rule of Thirds and Superstitious Numbers." It's just as useful as TA. I just don't take it seriously.