For most things it says that they are “impossible” or “near-impossible” with no explanation or just "getting a permit is hard" with no futher detail.
It does give some cherry-picked metrics : - 0 Semiconductor fabs built in CA in the last decade => as there been ANY semi fabs built outside of taiwan and china in the last decade ? Not exactly surprising. - 1 West Coast shipyard that can build destroyers, 0 New automotive paint shops permitted in CA, 0 New oil refineries permitted in CA since 1969 => We don't build those for shits and giggles, is there any demand that would justify new factories for thoses ?
Basically, the website doesn't say anything. It just gives some context-less data and one guys opinion on what he perceives as not possible.
Not that I care, I am not from the US or live there, but let's not try to pass some dude rambling as a source of actual information.