I am glad this American hegemony is breaking, for all the spying, bombing and bullying they did to foreign countries and citizens remotely, while their popular news media keeps spreading hate and false narratives about others.
I'm in no way defending America's actions in general, but if you're expecting whoever fills that power void to be better, I've got bad news for you.
And at least American news media can talk about American sins, unlike Chinese media and Tienanmen Square.
The article you linked actually says that the reporting understated the reach of the massacre:
Honestly, you seem to have fallen for propaganda, and I doubt any amount of arguing will convince you otherwise.