“…Whilst recognizing that the imprecision of these concepts has political advantages in that it "allows many different interests to sit at a common table with the potential for exchange of views and, hopefully, learning" (Wall and Mathieson, 2006:292), critics feel that that this imprecision reduces its scientific validity and hampers its application as an analytical and practical tool (Buckley, 2012;Wall and Mathieson, 2006;Wheeller, 1991Wheeller, , 1993.One critic of sustainable tourism is Harold Goodwin, a founder of the responsible tourism approach, who argued that: "sustainable development lacks definition and measurable indicators to determine whether or not tourism is being successfully managed towards sustainability by government. Lip service is paid to the concept: it is used to generate work for consultants and NGOs, to bolster the reputation of companies and governments, but rarely are the outcomes measured or reported … The concept appears to be operative and is often used to secure resources and support, but in practice the principles are not applied, the concept is inoperative, the objectives are not achieved.…”