Just that the adaptation process might be too slow. I don't think the speed of evolution can keep up with us throwing new kinds of garbage into the ocean. It's

Just that the adaptation process might be too slow. I don't think the speed of evolution can keep up with us throwing new kinds of garbage into the ocean. It's the same with mono-cultural farmlands. By reducing the habitation areas of animals, the population becomes so small that thinking "they just have to adapt" becomes a ridiculous statement.