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Well... it's all we have, to compare the past and the typical developments, as in 'history repeats itself as human nature never changes' - and TA, EWs and Gann's and all that jazz try to stylize this and put it into formulas. Rituals.
That's all that can be said.
The entire cortex is a possible-futures-prediction instrument that works better the larger it is, to a degree... but with larger size, a secondary effect sets in.
We can predict the future better than a dog can - but we also refuse to react and stay inert when it gets difficult, where the dog just flees... this because the multiple possible developments make a decision harder.
The pilot whale, with almost twice our cortex volume, playfully dreams and creates its own reality, floating in the ocean... we're in that same box ourselves and I can easily prove it.
Think gods and afterlife, and how the average human will prefer paradise to fickle Elliot Waves any day ;)