Meanwhile, I (a person with no car so I walk and bus everywhere since my neighborhood isn't cool enough to get light rail...ever) barely see any of what they describe. Yes, there are a handful of tents around freeway onramps. Yes, the trash looks a little unsightly. Yes, I wish it wasn't there. But I've not once been attacked and I rarely see a syringe or even a hint of what looks like poop (statistically, it's probably dog poop given the scourge of terrible owners of dogs in this city).
So I'm not discounting that something happens sometimes, but damn, not on the level that the screaming hysterics seem to think it does.
From my experience so far, the typical attitude of an average Nextdoor "neighbor" towards the homeless is not: "This is a problem, we have to do something for these poor people." Rather, it's: "This is a problem, I don't want it near me."
I don't know about Ballard, but people on Nextdoor in the Eastside neighborhoods have a penchant for NIMBYism and, as a side effect, truly do tend to exaggerate things.
I'm not saying we should just ignore homelessness, but exaggerated complaints on Nextdoor are definitely not the way to address the underlying problems.
Intervention works. West coast states do have similar drug courts, but since crimes are not prosecuted and misdemeanor charges are routinely vacated there is no incentive for people to actually be helped.
For helpful information on Rhode Island's program I recommend the last 20 min of this documentary: https://www.youtube.com/watch?v=bpAi70WWBlw
This is in Licton Springs, for what it's worth. From what I've seen other neighborhoods are much cleaner.