That’s the hight of results-oriented reasoning. The historical norm is that different societies did not progress at the same rate. Europeans got ahead of Africa and Asia in the 1500s-1900s. That’s why they were positioned to engage in things like colonialism to begin with.
But go back a bit further—Britons were about a thousand years late to the Bronze Age. Nobody held them back. It’s just that key milestones of civilizational development aren’t distributed evenly. Because of course they aren’t.