>the autonomy of other human beings is a grundnorm that is either respected because its a human right

There are good critiques of the concept and value of autonomy, and to what degree we have autonomy (beyond the metaphysical sense) in a capitalist market. Also, I'm not saying autonomy is irrelevant, I'm saying it's not the only thing that's relevant. Morality entails more than respecting autonomy.

>It would be more unjust to interfere in the affairs of consenting, autonomous adults because we didn't like their preferences.

I mostly agree, but there is a strand of libertarianism which would argue such interference is permissible if it comes in the form of soft power (advertising, taking certain products off the market, etc.)

>You're going to have to explain why I would care that you think something is exploitation.

The point is that you don't have to care for it to be exploitation. You don't have to care that 2+2=4, but we structure our science around the mathematical principles that lead to that result anyway. You don't have to care that murder (for example) is wrong, and the murderer doesn't have to care that murder is impermissible.

>Of course, and with easily replaceable skills I'm at a loss as to why you think he would be entitled to a stronger bargaining position.

Perhaps not individually, but as a general trend in society it leads to a mass of people being in poor positions to bargain and a smaller number of people being in very good positions. I don't think that's a good thing, because it leads (very realistically) to some being at the mercy (speaking in terms of resources required to live or sustain a family) of others by virtue of factors beyond their control. That restricts autonomy beyond the economic sphere.

>This is created by restricting barriers to ownership of capital so there aren't competing employers.

I've already mentioned the concept of the local maximum in employment; even if there are multiple reasonable options for employment all options are possible, it does not follow that any will be good options.

>But if you want to live and eat and can't make the wage that you want, well maybe your desires are larger than your entitlement.

This is the just-world fallacy; the market, as already clarified, does not necessarily produce just outcomes, and it's unclear why it should be thought it does. Why does the market decide my entitlement? Should it, speaking in terms of economic systems, decide my entitlement? For slaves, their masters decided their entitlement. Now it's a market which was created by a set of laws and property rights, and maintained as such. Is it really beyond question?

>It would be a prerequisite to the demand.

The demand is useless if nobody will agree to it.

>Needs are contingent on goals. Given no goals, one needs nothing.

Sure, I have a "goal to survive", but this seems to cheapen both the concept of goals in a goods economy and the idea of survival which supercedes all other goals to the point of being a biological impulse we are prepared to kill for. It's lower than any psychology or even any other need. It's a physical process. When we say somebody has no goals, we don't assume they are just okay with dying and would be apathetic if we killed them.

>The left is collectively engaged in a process of pushing authoritarianism while claiming anarchism

Perhaps we have different ideas of authority and anarchism. Besides that, Marx was clear that socialists should not rationally support non-socialist platforms, which I agree with to a large extent. The labourer and the capitalist have opposing interests (speaking class-wise). Better wages were never on the Marxist agenda.