The reason why privately financed spaceflights will add less to the clutter in space than NASA and other government agencies is that they will try to reuse as much equipment as possible.
Private companies will try to make profit from their space programs. This means that they will try to reuse equipment sent into space which will reduce the clutter left there.
This is different from government programs like NASA which were state funded and could afford to leave clutter in space instead of bringing them down.
Find out more on private spaceflights at https://brainly.com/question/25860393.