Entrusting our speech to multiple different corporate actors is always risky. Yet given how most of the internet is currently structured, our online expression largely depends on a set of private companies ranging from our direct Internet service providers and platforms, to upstream ISPs (sometimes...
That’s putting too much responsibility on the average person, who doesn’t have the time to become educated enough in biology and pharmacology to understand what every potentially harmful product may do to them. What if they never even hear the FDA recommendation?
Also, though you’d like to think this would only harm the individual in question who purchases a harmful product, there are many ways innocent third parties could be harmed through this. Teratogens are just one example.
This kind of laissez-faire attitude just doesn’t work in the real world. There’s a reason we ban overtly harmful substances.