A313 I would just like to reiterate that hero points are an optional rule and not necessary to your enjoyment of the game.
Tier System for Classes | Why Each Class is in its Tier PF Optimization Guides Compendium | Extended Signature (Optimization/Conversion/Homebrew) Originally Posted by CTrees Knowledge (local) being trained only, and not a class skill for many classes, means that your average human may well not be able to identify other humans! This may explain the exceptional quantity of half-human hybrids.