If productivity is increasing but not average salary, then by definition the additional wealth is being taken by the owners of capital.
Farmers using machinery instead of labor has meant cheaper food for everyone, not rich farmers.
When your argument boils down to discussing fantasies in a fantasy world, you have a bright future as an economist indeed.
If you’re going to ignore it and call things a fantasy, why even bother commenting?
I think that if we look at inflation-adjusted productivity, and inflation-adjusted average income, then that would indeed prove increasing inequality, right?
I believe the chart in this link is adjusted by inflation. Showing overall the same trend: