That is an unexpectedly balanced and informative piece from Slate. There are two main assumptions underlying progressive politics: systemic oppression and exploitation. Social Justice Activism takes these assumptions to be true by default. Anti-capitalist Black Bloc anarchists, for instance, take any opportunity to destroy corporate property as a positive move to eliminate economic exploitation. They don’t tend to revisit their assumptions.
Bypassing due process and the presumption of innocence does not promote justice. Perhaps news stories should include subscription links to be notified of the key due process events associated with the criminal investigation.
I would hope that thoughtful protest could be patiently delayed until due process is complete.