Sometimes the easy one to blame is also the right one to blame.

But I disagree though. Blaming human nature is much much easier. It means there is nothing we can do except give up and live with it.

In contrast, blaming the system means we can still change the system, and changing the system is extremely hard, especially when the rich and powerful have so much interest in keeping the system the way it is.

The system is made for humans, not laws of physics.