Feudalism is anything but absurd. In fact, it makes much more sense than capitalism: trust is built slowly, and enhanced by gifts of land and marriage bonds. It was a major cultural change that allowed people in the early modern economy to put blind faith in faceless institutions and unseen strangers. People living in developed countries often don't see how much trust is required to maintain it, and this trust takes ages to build. Children grow up seeing that the "system works" so as adults, they don't rock the boat (well, most of them don't). To them, rampant bribery and nepotism in developing countries seems strange and illogical, but it is the exact opposite. Those "backwards" systems are built around the idea of cultivating personal relationships because you can't trust strangers.
The lessons from this is that the converse is also true. A society built around capitalism (and I'm talking capitalism in general; not necessarily predatory free-market capitalism) requires, first and foremost, a lot of trust in the system. If that trust is lost, we go back to feudalism. There is no such thing as trust-free capitalism (specifically, because without trust there is no credit – which, literally means "faith" – and without credit there is no capitalism).