people are not demanding no service.
Of course they are. Just look at air travel: people complain about small seats, long lines, and all the nickel-and-dime fees, but they keep on buying the cheapest seat available. OTOH you can pay more and get a first-class seat that has none of those problems and includes priority boarding and security screening. You get the service you pay for.
They have a legal obligation to their shareholders to maximize profit margins.
No, they don't.
Every employer shall implement confined space procedures in accordance with the provisions of the General Industry Safety Orders, Article 108.
Well, by your count that's one line, except that one line just embeds an entire set of other regulations.
Incidentally, if California - a wealthy state with a high-tax, high-service approach to government - can't design effective regulation, doesn't that tell us that pretty much nobody is going to come up with good regulations?
Life is a healthy respect for mother nature laced with greed.