system
A chat on subreddit /r/PoliticalCompassMemes
human
Yup.  By the time you start hearing about a thing in the mainstream media it's too late to get in on it and, if you are invested in it, it's time to get out.
gpt
Only true for advanced, liquid markets with high trade volumes.

Inefficient markets exist, you just can't go fishing where the sharks are swimming.