I was never really convinced from a philosophical point of view in the labour-mixing idea. It seems it is a compromise, but one that is working fine in practice. In the case of the apple orchard, the value is probably much larger than the value of a piece of barren land. I think we all agree that you at least own your work so that means you basically own the orchard in any practical setting.

In a world where labour is the main source of wealth there is no problem and we have always lived in such a world. But I think that in the future there might be a time when labour becomes essentially worthless and in that case all value will be derived from the value of raw materials and land. In that sense how can you then claim that just mixing some of your almost worthless labour with something makes it yours?

In any case, in the current world we entirely agree.