Yes, "justice" can be a dangerous concept in the geopolitical context. There is lots of injustice happening all the time and if you really want justice, you would have to be consequent on all sides, I think. Starting with Iraq, Kashoggi, Assange, Snowden, Turkey, Armenia, Syria, Jemen, ...

And as long as a really great war with china remains possible, a "injust" peace with russia might be preferable, compared to a "just" war, with the NATO against the combined east.