They should focus on electric cars. Replacing tiny batteries in thin phones or thinner headphones is silly to legislate compared to gigantic batteries in big cars. The rest of the car could easily have a 20 year life with no internal combustion engine, but most get scrapped after 5-6 years
If they want to pretend that they’re saving the planet with legislation, go for the real volume.
User replaceable batteries in earbuds would make them thicker and heavier - exactly what consumers say they don’t want.
Starter is starter - you can use whole wheat flour from there to add protein, and then on top of that, look at seeded loaf recipes with whole wheat berries, pumpkin seeds, sesame seeds, flax, whatever!