In any comparison of two countries (or people) like this, there are two conflicting issues to keep in mind at the same time: 1) As you point out, no one is perf

In any comparison of two countries (or people) like this, there are two conflicting issues to keep in mind at the same time: 1) As you point out, no one is perfect, and any honest look at ourselves or the groups we're a part of will show us things we feel ashamed of. 2) Because of that, "whataboutism" is a very effective derailing tactic that anyone can use to dismiss almost any criticism. Given that "no one should ever criticize anyone for anything" isn't what any of us wants, we need some norms and limits around whataboutism to keep it productive. I'm not sure what those should be though, and at the end of the day probably some amount of trust and good faith is required.