We regulate how a hobbyist constructs and uses a radio. We regulate how a hobbyist constructs a shed in his yard or makes modifications to the electrical wiring in his house.
I think mandating the implementation of strictly device local filtering based on a standardized HTTP header (or in the case of apps an attached metadata field) would be reasonably non-invasive and of benefit to society (similar to mandating USB C).
The way this currently exists is basically unenfoceable because the critical terms are not even defined. It's not even ultimately intelligible, which is a prerequisite to enforcing, or even being able to tell where it does and does not apply, and whether some covered entity is or is not in compliance.