Almost all of this art is painted on wooden boards protecting windows.
Hence, there is minuscule damage to property.
Hopefully, when eventually removed, these colorful, expressive murals will be preserved.
The upside: Freedom of expression.
The down: Most businesses within a six-block area choose not to open for business.
The protesters, who appear not to be seeking conflict with federal enforcement officers, have been avoiding federal property, such as the courthouse.
If protestors desired to aggravate and escalate tension between (democratic) city/state and (republican) federal factions, they would intentionally seek out federal property to vandalize.
This is not happening.
I have some thoughts about how Portland today compares with "weekend berserk" in Reykjavik, Iceland, and may reflect upon this phenomenon in a future post.