nobody is saying that that is worse than literal concentration camps, what people are saying is that failures to live up to racial justice at home weaken your ability to authentically criticize violations abroad, and that's a very valid point.

And as far as communications infrastructure is concerned it's relevant too. In countries like Germany or Eastern Europe in particular the behaviour of espionage among allies over recent years has created an atmosphere of "well everyone is spying on us anyway" substantially weakening the case against Huawei, say.

Also as far as discussion here is concerned, most people here are from Western countries, so at the end of the day discussions will mostly be about our own behaviours.

>weaken your ability to authentically criticize violations abroad

It does no such thing. Being a hypocrite does not impact the correctness or incorrectness of what you're saying (which is why the tu quoque fallacy is a fallacy), doubly so when we're talking about entirely different categories of abuses that invalidate the hypocrisy charge anyways.

correctness isn't what's relevant in (geo)politics. What matters is being able to influence others and get your interests across. And on that front being a hypocrite matters, both domestically as well as internationally.

Listing off fallacies is great in internet discussions, but it's not how the world works. To be honest it's also not really how internet discussions work any more because everyone's grown sick of it.