You find the right argument but you failed to make the right conclusion.
Running a red light you are intentionally putting others lives at risk. If you run a red light on accident and you kill someone, it's manslaughter. If you intentionally run a red light and kill someone its murder 2.
Yet there is no victim. You're not a victim because the risk is higher.
Because then the argument changes to that there are victimless crimes that are reasonable to have and that on that scale everything from running red lights to drug use would be on it
Your inability to understand that killing someone when you run a red light and hit them is either man slaughter or murder is probably where your inability to see how your position is flawed comes from.