But the more that we self-segregate, and schools become reflections of people's homogeneity, then I think schools themselves become instruments of division.
So, I've been doing research on diversity and inclusion in teams for the last 20 plus years, and one of the major findings in that literature is that diverse groups tend to be less cohesive than homogeneous ones.
If you say to an extremely rich person, look, You can make 3% more profit a year, but it's going to damage the homogeny of this small town somewhere in the corner of England.
This assumption of homogeneity in the supply of labour is not upset by the obvious fact of great differences in the specialised skill of individual workers and in their suitability for different occupations.
The first two Sasanian kings, Ardashir I and Shapur I, enjoyed long, successful reigns and partnered with the Zoroastrian priestly caste, thereby strengthening the political and religious homogeneity of the Persian East.
And so maybe that's a new skill, but again, I think it's a little bit more difficult to break through because of the uniformity of so much of this content.