It’s still widely accepted that having Colonies was a main source of wealth and welfare for the former Empire. This misleading idea, which comes from marxist tradition, is somehow still alive when it’s applied to modern geopolitics, despite the fact that the idea that economic progress was due to colonies (imperialism, colonialism) seems to have very little foundation.
Imagine you own an important highway, used by countless drivers. Since yours is a private one, consumers forcefully have to pay you a toll everytime they want to drive down there. Which would be the optimum price that should be charged?
“…what occurred in October 1917 [7th November Gregorian calendar] was a classical modern coup d’état accomplished without mass support. I was a surreptitious seizure of the nerve centres of the modern state, carried out under false slogans in order to neutralise the population at large, the true purpose of which was revealed only after the new claimants to power were firmly saddle. (….)