Final answer:
Adrian Wooldridge compares the people who advocate for ethnic nationalism as an alternative to hyper-globalization to individuals seeking an elusive national 'purity' and asserting power over institutions.
Step-by-step explanation:
Adrian Wooldridge compares the people who say that the best alternative to hyper-globalization is ethnic nationalism to individuals who are seeking an elusive and imaginary national 'purity.' These individuals believe that dominant ethnic and racial groups should assert their power over political, economic, and cultural institutions to preserve their way of life. This comparison highlights the potential dangers and acts of violence that can arise from nationalist ideologies.