It starts off as symbiotic (you give capital for future profit), but becomes parasitic (you just keep leeching profit without giving anything more in return).

At least, that is what I plan to do. Stop working and live as a full-time parasite as soon as I can afford it. Maybe others here are more altruistic.

You can't think of any reason people would provide productive labor without their being profit-seeking capital? Do you really, truly believe that? If you do, I have a bridge to sell you.