Where would humanity be without careful planning? Well, we'd probably be in an incredibly unstable political maelstrom, facing apparent worldwide natural disasters, and living in a world in which some people still consider James Corden tolerable.
However, thinking things through can be overrated, sometimes it's more satisfying just to take action and ask questions later! I mean, this is obviously not the case, just as these 14+ people who didn't really think things through found out much to their chagrin.