We have to be careful here. We have lawmen apparently shooting protesters in cold blood. We have people using the law to protect orcs and oppress the locals.
But this is not about injustice. This passage is about the law, the Law of Moses, if applied rightly. A godly people, a godly law. A theocracy that is run by angels: not one that has ever worked in this fallen land. Or, more realistically, when Moses came down from the Mountain and Aaron was a priest in the temple, with all the flaws that were there.
The law was still a shadow of the justice to come. For it points to Christ, and Christ is our judge.
For since the law has but a shadow of the good things to come instead of the true form of these realities, it can never, by the same sacrifices that are continually offered every year, make perfect those who draw near. Otherwise, would they not have ceased to be offered, since the worshipers, having once been cleansed, would no longer have any consciousness of sins? But in these sacrifices there is a reminder of sins every year. For it is impossible for the blood of bulls and goats to take away sins.
Consequently, when Christ came into the world, he said,
“Sacrifices and offerings you have not desired, but a body have you prepared for me; in burnt offerings and sin offerings you have taken no pleasure. Then I said, ‘Behold, I have come to do your will, O God, as it is written of me in the scroll of the book.’”
When he said above, “You have neither desired nor taken pleasure in sacrifices and offerings and burnt offerings and sin offerings” (these are offered according to the law), then he added, “Behold, I have come to do your will.” He does away with the first in order to establish the second. And by that will we have been sanctified through the offering of the body of Jesus Christ once for all.
(Hebrews 10:1-10 ESV)
Justice will come. There will be peace. We will all be held to account. If that does not concern you, then one of three things has happened: you have confidence in Christ, and he has covered your errors and evil, you have seared your conscience and consider even the most evil acts as good, or you are lying to yourself that you are more good than bad.
But we have all fallen. When true justice comes, it will be terrible. But for Christ, who before justice comes has provided a path to mercy. Choose it.