One of the most insane things that people seem to take seriously is "technical analysis" of crypto or stock prices. I have never seen any predictive power behind this, its basically akin to astrology and is more like a fun hobby to help with fantasizing about future wealth. 

Social media has created an entire genre of freelance technical analysts with lots of charts and predictions that never seem to correspond much to reality. Its good fun if you look at it that way but please do not take it too seriously.

Writer, podcaster, and commentator on foreign affairs and politics. Runs /dropglobalnews

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For those that really use it as intended, it's a great tool. If they are good with it. Most people just dabble and think that those cool lines they draw are using. But TA is supposed to 100% take emotions out of trading and rely on historical data of the collective human psyche. Humans are notoriously repetitive and the psychological effect on profit/loss can be quantified. It's never accurate since it's based on probabilities which are by definition an expectation and not a fact.

So you're probably not far off. It's likely worse than astrology for most people. And useful for a fraction of those that actually employ it.