The recent A-SAT tests make it clear that there is a strong asymmetry: One single actor can make LEO very dangerous or unusable for the rest of the world. It's

The recent A-SAT tests make it clear that there is a strong asymmetry: One single actor can make LEO very dangerous or unusable for the rest of the world. It's a condition that terrorists love. There's an argument to be made that A-SAT tests are terrorist acts (perhaps unless in very low orbit with decays of a few days - even then some debris is likely to reach a higher orbit)