If the government makes a rule that nobody is allowed to use "inefficient" light bulbs anymore, and then gives the power to a bureaucrat to determine what is "i

If the government makes a rule that nobody is allowed to use "inefficient" light bulbs anymore, and then gives the power to a bureaucrat to determine what is "inefficient," that's a great example of the administrative state having the actual power. You're right that it is common around the world. And it's a huge problem. Because nobody can know what's illegal in the US, for example. If nobody can know, then how can we claim we live under the rule of law?