I'm assuming you meant "heterogeneity" for your statement to make sense. (And I agree with your statement given that revision)

They are saying "If having a group of like mined people creates instability, show your work."

	▲	linkregister 5 hours ago \| parent \| next [-]
		If that's the case, it makes no sense. The parent statement is claiming that homogeneity is "easy mode". How is this congruent with your statement?
	▲	danlitt 5 hours ago \| parent \| prev [-]
		Nazi Germany?