> We are somehow able to regulate consumer goods (health and safety standards for example), which also is a global operation involving hundreds of thousands of actors.

Because you can enforce it at the point of sale, ie. selling X happens in a limited geographical region which can be enforced.

The "point of sale" equivalent on the internet is the browser, which is exactly where I said the privacy properties need to be enforced.

Finally, it's frankly absurd to want inefficient and expensive legal controls when cheap and automatic technological controls are perfectly feasible. Why involve the various governments at all?