Ecotopia (or Cascadia) has split irrevocably. Silicon Valley is not part of it. Far Northern California (which is Oregon-like in climate and culture) might be, but that's sparsely inhabited. Silicon Valley (an emerging city state with severe, criminal levels of private sector corruption in addition to public incompetence, both forces producing a housing crisis) is paper-belt in denial. It will never admit so, but the…
Because of this, I suggest that the idea that North American is best thought of in terms of regions might be an unhelpful one.
OTOH, the evidence from Facebook apparently suggests otherwise: