Possums and coons eat the cat food off the front porch most every night. Odds are great they will be back tonight for more. Viewable repetitive patterns are out there. Find one with a high enough recurrence rate, and it might be beneficial.
ET is daily proof that history repeats itself. All discussions repeat over and over again, for a few years already. I know how to start a discussion again that we had already a few times before. And I know that the same posters will come up with the same arguments again. Viewable repetitive patterns. Examples: TA does not work 90% of faytraders lose money BTC will go to the moon etc...
Forex predictive power is not slightest but huge. If you are strong in pattern recognition, you don't need too long time before you develop huge edge. I mean, compared with equity futures trading, which need much more sophisticated strategy. People who trade equity or equity futures for 20 years and still did not reach consistency, could achieve it in forex in 3 years.