alt Hacker NewsAs others have touched on, you're applying black and white thinking on what should be a gradient.
Artists and scientists have famously been prosecuted for different communication.
But at the same time, communication gaps also resulted in millions of deaths.
Unifying language/culture/etc enables the "the whole is greater than the sum of its parts." Europe knows this (see formulation of the EU). Asia knows this (China's camps, Japan&Korea's immigration policies).
Its not this or that.
Either your phrasing is really odd, or you are sincerely promoting China's Uyghur 'reeducation' camps as being sensible for the greater good.
Europe meanwhile, in case you are unaware, is all about unity through culture, but the EU does this by celebrating its diversity (as well as actively protecting minority languages), not by Gleichschaltung.