"In some parts of the world cotton is still grown and handled in a relatively unmechanized fashion. In Ethiopia, for example, cotton still supports a cottage industry."
Sport has become business and sport is still run and that is true beyond cricket in other sports, but particularly in cricket, as if it's a cottage industry.
But the recycling of these batteries is often done under very poor conditions, often within homes as a sort of cottage industry in developing countries and therefore whole communities and families can be affected.