I imagine you could just send a rocket to the specific orbit and just start metering out 100s of thousands of small steel (or whatever) BBs like seeding a yard;

I imagine you could just send a rocket to the specific orbit and just start metering out 100s of thousands of small steel (or whatever) BBs like seeding a yard; seeding a Kessler event. Something just a bit bigger than: https://en.wikipedia.org/wiki/Project_West_Ford https://en.wikipedia.org/wiki/Project_West_Ford