Earlier quoted context omitted.
The west didn't get rich from colonizing the world. It got rich domestically through industrialism. Then the newly rich countries went on to colonize the world, because now they could. If and how much the colonies made them even richer is debatable, but it was probably a net cost on average. This is one of several insights counter to "common sense" that economists have figured out.
On the one hand my common sense wants to say of course, the more you transform a natural resource into something complex and desirable, the more value you create so yes all this wealth is the product of industrialism but on the other hand... all those natural resources had to come from somewhere no ? It would seem to me that colonialism was an essential part in this wealth creation even if the whole enterprise of get…
I won't write an essay about it, but note that (1) Russia and Africa both have enormous natural resources and are very poor, and (2) Hong Kong and Singapore have no natural resources and are very rich.