The point of farming is literally to "extract the value" that something else creates.

> The work is done by the seed/sun/soil/water.

and the farmer collects. It's not that the farmer does nothing or deserves nothing. But it is precisely the same as the capitalist model: the capitalist sets the stage for labor to do the work, and then collects.

As others have noted, the central question is who gets to benefit from what is created and why.