I don't think I disagree with any individual point you're making. But I'm still getting the sense that we're focusing on what won't work rather than what possibly could work. It seems like you're opposed to bottom up approaches (worker coops, etc, in a market system) and also top down approaches to regulate the edge cases.
I don't have the time to really sit and think through possibilities, but I'll simply say I think a current failure to think how socialism could work in a market economy does not necessarily rule out the possibility.
I appreciate the conversation regardless. You've given me a good few things to chew on.