Nice theory. In this country, at this time, if you dare to defend yourself from a murderous attack, you are very apt to be arrested, charge and probably convicted by that unjust government.
Worst of both worlds, no defense from the criminal, no defense from the government. They seem to be on the same side...
Maybe where you live. This is not a problem where I live.
People need to make better choices when voting for judges and prosecutors.
Or vote with your feet.