Becker $(2013)$ explains how travel and tourism have become more prominent in the book $.$ Which of the following phenomena is not explained in the book?

Group of answer choices

Tourism is the double$-$edged sword that provides an avenue to earn money but undermines native cultures to fit into package tours

The countries like Thailand and Sri Lanka see tourism as the primary engine of economic development

Tourism products have expanded the scope ranging from religious pilgrimages to medical tourism

Travel magazines predominantly write critical reviews of destinations$\backslash$