There’s a functional difference if you’re trying to compute “tough-on-innocence statistics”, because it means that the target for the only possible metric is much higher than zero. A healthy criminal justice system should routinely rule people innocent; if nearly everyone who’s prosecuted is found guilty, that doesn’t mean prosecutors are being really picky about filing charges, it means the system doesn’t treat innocence as an acceptable outcome.
There’s a functional difference if you’re trying to compute “tough-on-innocence statistics”, because it means that the target for the only possible metric is much higher than zero. A healthy criminal justice system should routinely rule people innocent; if nearly everyone who’s prosecuted is found guilty, that doesn’t mean prosecutors are being really picky about filing charges, it means the system doesn’t treat innocence as an acceptable outcome.