Small statistical effects accumulate over evolutionary timescales. Ifr telepathy is unreliable and vague, but is more reliable than chance and less vague than making stuff up, it will be selected for, even if the effects of telepathy are very difficult to detect on an individual scale.
Small statistical effects accumulate over evolutionary timescales. Ifr telepathy is unreliable and vague, but is more reliable than chance and less vague than making stuff up, it will be selected for, even if the effects of telepathy are very difficult to detect on an individual scale.