The early Britons were much more sophisticated than many people realize. See e.g.
https://www.bbc.com/travel/article/20170410-why-i-lived-like...
https://www.bbc.com/travel/article/20170410-why-i-lived-like...
Reducing colonialism to a simple morality narrative relies on the objectively false assumption that civilizations are all developing at the same time along the same trajectory. If the Romans had never colonized Britain, Britain probably wouldn’t have been in any position to colonize India by the 1700s. And all of us would probably still be subsistence farmers.
I live in the U.S, how many high school graduates would even know about the Harappan civilization?
Hell, I have difficulty finding a midwesterner who can name 2 cities in the Indian subcontinent with the correct pronunciation.