I highly recommend this article from the Atlantic. A truly beautiful and moving read, and a good bit of political history as well:
theatlantic.com/the-uyghur-chr…
There is a regrettable idea that system software is "done." I was told the same thing in 1996 (and in the same breath, advised to not pursue system software). So for whomever needs to hear it: system software was not done then -- and it is emphatically not done now!