Local law enforcement have been arresting violent and non-violent protestors alike throughout the last few months, I’m not sure where you are getting the idea that they haven’t been.
On the contrary, thousands of protestors have been actually charged. Meanwhile police officers are still virtually never charged, even in cases of obvious brutality or obvious murder.
As an example, DA Jackie Lacey hasn’t charged a single one of the 330+ cops that killed LA residents during her 8 year tenure (some orgs say it’s over 600, the police disagree)
23 million in damages to federal property including courthouse:
https://www.theepochtimes.com/violent-demonstrations-in-port...
> A review of court records showed 59 people arrested during Portland demonstrations had charges dismissed, including several people arrested on felony charges.
https://www.kgw.com/article/news/local/protests/criminal-cha...
The person who set the court house on fire also got his charges dropped.