[C]ompany human rights practices are shaped by self-created policies, voluntary initiatives, and unenforceable "commitments"...[T]he...Guiding Principles on Business and Human Rights...underscore the failures of the current approach to business and human rights...[T]hey...represent a[n]...inadequate approach to business and human rights issues...[W]ithout any mechanism to ensure compliance or to measure implementation, they cannot...require companies to do anything at all...[T]he Guiding Principles may actually help entrench a dominant paradigm among companies and many governments, which derides the rules and regulations that companies need in favor of voluntary and...unenforceable commitments that simply don’t do nearly enough to protect human rights...[refers to ExxonMobil, Walmart, Nevsun, Barrick Gold]