A major factor contributing to the fraying of globalization since 2008 is

A major factor contributing to the fraying of globalization since 2008 is Protectionism.

Explanation:

Many nations are wary of the impact of globalization on local jobs, trade balances, and GDP. To protect their citizens' jobs, control unemployment among the youthful population, and ensure deindustrialization of towns and cities, many governments have been pushing back on globalization.

Many developed countries have viewed globalization as favoring the developing nations to their detriment. This is why citizens are pushing their governments to act against the forces of globalization.

But, many aspects of life have gone global and cannot wait for the governments to act. In short, governments appear unable to control such globalization trends, especially in the areas of the internet of things, information sharing, news democratization, etc.