The underlying reason for convergence seems to be that all organisms are under constant scrutiny of natural selection and are also subject to the con… - Simon Conway Morris

The list is almost endless: the sacking of Constantinople in 1204, the destruction of Baghdad in 1258, the expulsion of the Jews from Spain in 1492, and the Nazi Holocaust are only some among the infamous epochs in the litany of disaster.

... not only that, but it can instruct us as to what may be the limits of desirable knowledge and risks of unbridled curiosity. This world-picture could also show that far from being a series of mindless accidents, history has directions and conceivably end-points.

Gould's arguments on the quirkiness of human intelligence are not only presented as part of an evolutionary argument, but also I believe to buttress an ideological viewpoint. In brief, his assessment of Man as an evolutionary accident is to lead us into a libertarian attitude whereby, by virtue of a cosmic accident, we, and we alone, have no choice but to take responsibility for our own destiny and mould it to our desire.