The voluntary approach is usually very useful if you're dealing with a small number of willing companies. In that case, you always have a different approach, which is that if the voluntary approach doesn't work, regulatory tools could be used. Often, in environmental protection, we'll look at the two different approaches and they can work together, combined.
However, there's a lot of work happening in the industry. You'll hear retailers, for example, talking about what the consumers want and what their employees want. Restaurants are another good example. They sometimes have trouble finding employees if they don't serve with a certain type of cutlery, for example. I see there are no plastics here today.
On e-waste, this is a very valuable product, so it has a higher economic value. Therefore, as a commodity, it gets treated in a more robust way.