Human productivity to wages have kept pace with each other, though, so there is nothing to suggest anything has changed for the human. It is not like the robots are seeking promotions (yet).
Where did you get that idea from?
Until we have sentient robots, all that automation is simply a lever with a human laborer at the end of it.
When do we stop?
https://wtfhappenedin1971.com/
I mean, it's cherry picked, but still funny to see all those charts.
If you're a CTO, CEO, CxO, you have direct, in depth knowledge to how the company is doing. You also likely have insight into how that translates into free capital to spend on wages. Many companies are not public, and even when companies are, earning reports aren't easy for a line worker to fully understand.
So if you have that knowledge, it's much easier to push back when someone says a wage increase isn't possible. Such as the board, or the CEO (eg, if CTO, or whatever).
This by no means "makes it fair", it's simply that the inequality may be from knowledge, and therefore bargaining power.
Another aspect of things, is that every CxO class worker can agree, their knowledge is very very important, irreplaceable in fact! Upper management, you see, is quite valuable, as of course (from their perspective) "I'm irreplaceable and valuable!". Who doesn't think they have value, after all?
But.. those line workers, or even those engineers, well.. they're like cogs. One as another.
Some might attribute malice to the above thoughts by CxO class individuals, but it can also simply be driven by self-belief in innate value, and by good old ego.
* A tax on (gross revenue – wages – cogs) with rate (cpi + fedrate) ^ 0.9 would be an excellent start, with an exponential factor that halts ‘shift the tax to consumers through simple price increases’ — the more you earn, the more you have to raise prices, which raises inflation, which raises your future tax by more than your price increase; the more revenue you pay out as wages instead of shareholder dividends, the lower you can set prices, which lowers inflation, which lowers your future tax — and adding the FFER lever allows the Fed to perform their mission to control (price) inflation not only with banks but also with businesses. For example, (8% inflation + 4% fedrate) ^ .9 is ~14.8%, which is a completely acceptable surcharge for businesses having raised prices so high that it caused an 8% inflation year!