Are Bioplastics as Good as Everyone Says?

In 2050, if nothing changes in terms of the plastic industry, fossil fuels will not be being used nearly as much for energy. So obviously people are going, that's not good, what can we do instead? And one of the big alternatives is bioplastic, biobased plastics. Bioplastics aren't like purely quote green or natural, none of these words are really well regulated. But they still have to have components to them to make it into plastic and not just corn.