> Instincts developed to keep you alive in a world where the classic laws of the jungle where true. Since the modern world, the definition of what is "strongest" and the threats you find yourselve exposed to differ vastly from that back in the days.

I think you might be underestimating how much of human instincts have evolved to deal with a complicated network of interpersonal relationships. To ensure fairness, avoid deceit, help our neighbour, and get a good mate. That wiring – which constitutes a large part of our brain – has essentially the same job today as it did back then.