Earlier quoted context omitted.
Whitelists have the exact same problem you're objecting to. Not everyone will agree what should or shouldn't be on one. In practice I don't think it's an issue. What I'm arguing for is the infra to facilitate self categorization and (likely) also a legal requirement limited to only a few specific categories. For example the government might mandate that porn, social media, and user generated content all be accurately…
the point being that instead of there being a kind of commission to create a schema, there are a whole bunch of different whitelists. so if your religion objects to the existence of mangoes, then you can subscribe to a mango-free internet filter. and instead of burdening the isp the publisher of mango sorbet recipes with ticking off all the right schema boxes, this can all be enforced at the consumer. all the rest of…
Separately, I'm suggesting that the self reporting of certain categories be given legal significance and mandated. Such as porn.
I never said anything about burdening the ISP. Only the publisher, and when you consider the "burden" of self categorizing a few legally defined categories that for the most part already exist I really don't see an issue. What did you think these ID law proposals were for if not restricting access to various legally defined categories?