Exactly. They have a vested interest in estimating and controlling the risk.
Wrong. It is cheaper to pay out once in a while vs cleaning up
Insurance 1.0.1: that's what controlling the risk is. But they want to avoid systematic risk that would suddenly have the damage claims explode. a runaway debris effect and a solar flare are the most likely things to do so. Other than that, it would be wasteful to try to save every single sat, despite how counterintuitive that seems