"the exception that proves the rule" doesn't just mean any evidence against your point is actually evidence for your point. it means that something is only notable because it's usually rare.

Did you know that Deng Xiaoping, the leader of China during the Tiananmen Square protests, resigned from all official positions shortly after the protests? I don't recall Nixon doing anything similar over Kent State, however.

What do you suppose the origin of that "feeling" is?

they also repealed the hong kong extradition law in response to those protests. Although admittedly once they fulfilled the demands of the protest and the protest continued they then cracked down more