People can be taught. Example of typical packaging of LED bulb in Denmark: https://imgur.com/a/J5PiGLb https://imgur.com/a/J5PiGLb It has: actual watt usage,

People can be taught. Example of typical packaging of LED bulb in Denmark: https://imgur.com/a/J5PiGLb https://imgur.com/a/J5PiGLb It has: actual watt usage, "old watt equivalent" and lumen. It won't take that many years before people know the lumen value they want.