Yet this, or any analysis that seeks to predict the future based on
current knowledge, cannot help but overlook the possibility of Black
Swans. The largest event to date is no guide to even larger events
that could occur but have yet to. So is there a fundamental obstacle
to mass killing by an individual, or are we less safe than we (or at
least Kelly) think we are?
The article offers two main reasons why this should be so, which are
that killing large numbers of people is a complex task, and that
social resistance hinders recruitment of resources. Which got my
inner evil genius wondering if there were ways to bypass these
difficulties.