There are people who have made a fortune trading Bitcoin with technical analysis, sir. Just because it doesn't work for you doesn't mean it's not working for others.
TA works, probably if it’s not working you just miss something or better yet try to combine it with the FA.
Fundamental and Technical analysis are both ok, this can be a good combination for you to be more successful. Many traders failed not because of TA but simply because of their emotion and being irresponsible. We can’t always win in trading and the only way to increase the chance of making profit is by doing your own analysis every time you trade or invest, don’t think for an easy money just be consistent.