Would you mind unpacking what you see as your addiction to 4chan? Are there specific boards you frequent? As an infrequent reader of /fit/ and /biz/, I'm having trouble wrapping my head around your experience.
HFT firms aren't trying to predict "the market" as a whole - just small eddies of it. A typical example of this is arbing names at the bottom of index fund rebalances. Speed is important mostly to make sure someone else doesn't hit the arb first.