Greed and ignorance are preventing equality and equity. People are a ways going to be power hungry and will do whatever they can to stay in power ever if that means they need to hinder growth of society. Greed results in stepping on other people to get what you want even if that means you will in turn make them feel and maybe be seen as less than and not equal to you. Ignorance leads to ignoring others problems for your own comfort and not acknowledging others struggles. As they say, ignorance is bliss especially when it gives you advantages in society.