You think the chinese will keep accepting your shit currency in exchange for something of a real value? NO!
What's so good about wealth? It leads to prosperity. With out wealth, you are poor, broke, and probably starving. What's so good about starving? And how does government collect tax? On other people's productiveness. When they stop producing, no tax, no money for your xbox.
Show me one example where taking away risk is beneficial? In the short run, maybe but then in the long run it's a pure disaster. For example, take the forest. We prevent fire so the forest would not burn down. That's beneficial for the next couple of years but forests depend on fire to remain healthy. Preventing fire will simply lead to complete extinction of the forest through erosion of the soil or something like that.