Replying to Greetings from China

If something is being created to be exchanged, and therefore has value, even if that exchange is merely barter, then it is a commodity.

Anything can be a commodity. What makes a thing a commodity is the way people relate to it. If something is being created to be exchanged, and therefore has value, even if that exchange is merely barter, then it is a commodity.

This is precisely the problem with the Left's obsession with democracy. The very reason why workers council failed in the past is because they focused on the form of management of the economy, rather than understanding the economy itself is what needs to be abolished. In fact, I would go so far as to say that workers councils are the forms capital takes in its last straw attempts to keep itself around.

Which goods exactly count as goods from commodity production in your opinion?

Which goods exactly count as goods from commodity production in your opinion?

I understand that job specialization is inevitable to produce goods. But why does this necessarily has to lead to different social classes, who are considered to have each a different value for society?

I think he meant that stratification, ie, the separation of individuals into social classes and, consequently, exploitation and domination, is inevitable in a system of commodity production.

If people are voting it´s democratic. In democracy the majority chooses and dictate it to the contrary minority, doesnt´matter if this majotity was condicioned by a continuous series of events and "tools" of social control developed historically.

Private property is what allows wage-slavery (and thus hierarchy) to exist.  The examples you listed are not examples of horizontal decision making power if they take place within the confines of a capitalist, or state-capitalist (that is, the state owns everything) system, because in both of these cases, the people are subservient to those with the most property.