The world is not black and white. The british built infrastructure that is still being used today. Like their railway system. They also educated the populace.
Educated? India's literacy rate in 1947 was 12%
Look at british literacy rate when they became a big empire. https://www1.umassd.edu/ir/resources/laboreducation/literacy...
Even though it might be because of industrialization and not colonization, India could have industrialized faster without being a colonial subject.
Not really. Locals would build it as well, just maybe later. Technology spreads disregarding the governments or countries.
Technological advances secured West’s domination over much of the world for centuries, despite having smaller population. Competitors were brought to submission using superior technology — China (Opium wars), Native Americans, Japan (WW II) and nearly every case I can think of.
So, sooner is massively better than later.