None of the cites you give have any validity unless we find out that the poster was in one of the locations that those apply to. The first one (2 CCR 5025) only applies to the Museum of Science and Industry (in LA). The other three muni codes only apply to those cities/counties.
You're falling into the trap of the sovereign citizens. You can't just post some random piece of law without checking to see if it has applicability to the situation.