"Our meta‐analysis of 30 studies and 116 effects of police use of BWCs finds that this technology produces few clear or consistent impacts on police or citizen behaviors."
Overall, the effects are unclear. Drill in and there is statistical significance. It's not fair to say it's irrelevant, because we do have cases where it works. There are just more confounding variables than we've given attention to.
"Our meta‐analysis of 30 studies and 116 effects of police use of BWCs finds that this technology produces few clear or consistent impacts on police or citizen behaviors."