The thing about RPGs that try to explore "Issues", as I think I mentioned back when we had the big hoo-ha about We All Had Names, is that they can only ever give you the most superficial glimpse of what the experiences of a person of the situation in question might possibly have been like, if the designer and the GM have done their research right. Maybe.
Say I play a homeless person in an RPG. Fundamentally, that doesn't give me any special insight into the condition of being homeless, because I'm only really trying to act out my preconceptions of what homeless people are like, and the GM is just basing the setting's treatment of me on his own preconceptions of what being homeless involves. These preconceptions might be (and probably are) wildly incorrect. Similarly, with Grey Ranks, we've got the players' preconceptions, the GMs' preconceptions, and the designer's own ideas and research coming together, and the only common thread is that fucking nobody in this entire circle-jerk was actually there.
The only way you could hope to run a halfway-decent representation of what it was like to be part of that uprising is for both the GM and the players to do a hell of a lot of research beforehand, maybe even talk to some survivors if you are lucky enough to know any. And once you've researched it to that extent, could you really stomach running a game set in that scenario?