Q, I certainly agree with you that Kent State should not be forgotten either but I fail to see your point unless it is just a red herring that you throw out. History is full of dispicable injustices and if we don't learn empathy from them they will be repeated time and again.
("Perhaps Tibetans will obtain a measure of home rule if they cooperate") This is like saying that if you kiss a bully's arse he may not hit you so hard!