I once read Technical Analysis by Martin Pring cover to cover. I read it with an open mind.
My conclusion is that technical analysis is nonsense that preys on ignorance.
For example, when someone (including people like Pring) say: "this pattern is bullish 65% of the time"
they fail to mention for what asset, or what timeframe. They never give you the data.
and noobs that know nothing about statistics automatically assume: this pattern is bullish 65% of the time for all assets everywhere at all times.
Technical analysis reminds me of Keynesian/MMT economics. They use impressive language but at the end of the day it's just low IQ beta males drawing lines pretending not to be chimps.