One of the goals of The Wall is to change the way people think about homelessness and those who are homeless.  As with many different labels that society places on groups, being labeled as homeless often brings along unflattering  terms like laziness and lack of ambition ; however, many fail to realize how diverse the homeless community is (ranging from veterans, to families, to college students) and thus make general assumptions that a homeless person must be a failure—someone who was too lazy to be successful in society. Yet, if you have ever spent any time at a soup kitchen, or have ever spent a few moments to talk to a homeless person, you realize that their stories are often complex. Below is an interesting article that treats on this topic of the ignorance of many people regarding homelessness:

http://www.povertyinsights.org/2012/09/10/homeless-ism-a-new-kind-of-bigotry/