Try this on as a thought experiment: stopping drunk driving (including via physical force) is community self defense. Someone choosing to drive while intoxicated is an assault against everyone else in the area, and it is morally acceptable to use various means, including violence, to prevent that behavior.

> Try this on as a thought experiment:

this isn't a thought experiment, it's a simple rhetorical argument. But does calling it a thought experiment as if it was something wearable normally work?

But to answer your argument, I already agree that it's ethical to use force, even if it rises to the level that causes harm. But only if you're correct that you're preventing impaired driving. Humans are famously bad at making solo judgments like this to the standard I'd require to consider it acceptable. I wont advocate for someone to do something when I believe a negative outcome is more likely than a positive result.

But given violence means physical force with the intent to cause harm, I strongly disagree that the ethical way to behave involves intentionally causing injury. unintentional injury as an unfortunate byproduct is permissible in the is permissible in the "thought experiment" you propose, but only when it is actively avoided never when it's intentional.

I.e. I think you meant to say physical force not violence.