Earlier quoted context omitted.
> social change caught up and imposed a more equitable distribution of the dividends. That’s a very nice way to say “the workers put the fear of God in the heart of capital owners, and lots of people died” https://en.wikipedia.org/wiki/Great_Railroad_Strike_of_1877 https://en.wikipedia.org/wiki/Canut_revolts https://en.wikipedia.org/wiki/Asturian_Revolution_of_1934 etc.
I think it's more competition for labor. Why is anyone paid above minimum wage? It's not through charity or "fear" that employees will revolt. It's that there's competition for that labor. Suppose a worker is worth $20 per hour to a capitalist. How much should they pay? As little as possible, sure, but anything up to $20 per hour is worth it. You'll hire up to that point to maximize profit. Suppose you hand somewhere…
We have to remember that people are the point of the economy: the economy exists to provide for all the people, people don't exist to be economic assets. There is a tendency for capitalists to forget this, and then we have to prod them with pitchforks to remind them.