.

Thereof, were the robber barons good or bad?

Objectively speaking (in terms of economic stability, democracy, and distribution of wealth), the robber barons were bad. Also, some of what they did was morally reprehensible.

Beside above, what did the robber barons do? The wealthy elite of the late 19th century consisted of industrialists who amassed their fortunes as so-called robber barons and captains of industry. Robber barons typically employed ethically questionable methods to eliminate their competition and develop a monopoly in their industry.

Then, did Rockefeller deserve to be called a robber baron?

Rockefeller deserves the "robber baron" name. By using business tactics that were legal at the time, Rockefeller created the monopoly Standard Oil. Rockefeller operated at a loss in order to drive out his competition and bought them out later. He could then charge whatever he wanted.

How did Rockefeller treat his workers?

Employees pointed out that he could have paid his workers a fairer wage and settled for being a half-billionaire. Before his death in 1937, Rockefeller gave away nearly half of his fortune. Churches, medical foundations, universities, and centers for the arts received hefty sums of oil money.