That’s exactly when the research needed to be promoted, for the good of everyone, including advocates of policing reform. Failure to heed that advice allowed republicans to paint democrats—by doing nothing more than reposting articles from NPR and the like—as feckless enablers of their radical wing who would cower in the sidelines for months while rioters tore down city blocks.

And in the end nobody suffered as much as the folks living in these high crime neighborhoods. Not only is there evidence the riots increased homicides, https://www.city-journal.org/new-evidence-connects-police-pr..., but also it created a backlash against police reform even in the most progressive cities in the country, like NYC and SF. Police budgets are now bigger than ever: https://www.nbcnews.com/news/nbcblk/cities-vowed-2020-cut-po...

Bi-partisan momentum on police reform evaporated as Trump baited progressives into picking a self-destructive fight over the acceptability of rioting and the need for policing.