I'm not going to lie, I've thought for a while now the answer is to strangle existing context to promote growth. We need to impart new context and create deep but surmountable misunderstanding.
Misunderstanding allows new context to form. It introduces uncertainty, and to resolve uncertainty we're pushed to break things down to their first principles. That process gives birth to more new and unique contexts.
Of course in practice, I despise anything forcibly imparted - which I think is a very healthy reaction. I'm much more okay with organic shifts (not that what's manufactured doesn't work, but feels grating). Though arguably, if something was manufactured well enough I'd never notice.
Corporate diversity movements that promote "Diversity is our strength" at their core strip away the distinctions between cultures. They only capture those who can conform, and not to generate meaningful output, but to uphold the baseline of existing institutions. It defeats the whole purpose.
I still think this is a big reason America wins globally in terms of cultural output and innovation. There's a lot of forced interaction between diverse groups that still manages to stay somewhat cohesive. We need to stay separate but unified. Distinctions have to be maintained, or we rot into a shapeless glob of cultural ticks.