VC’s love to talk about their pattern mapping abilities. “We add more value because we’ve seen so many companies go through all sorts of situations before and we can quickly map whatever’s happening at your business to what we’ve seen in the past and leverage this experience.” Or so the logic goes. But what’s going on right now with early stage company valuations suggests that VCs may be poor judges of at least some of these patterns. Or at least that they’re incredibly human when it comes to estimating the likelihood of certain events actually happening. In 2002 a series of random shootings rocked the Washington DC area. For a period of about two weeks, an unknown assailant killed 10…