I hear many great things about Fastly from users, but whenever I look at CDN performance comparisons (e.g. https://cloudharmony.com/reports/editions/cdn-perform

I hear many great things about Fastly from users, but whenever I look at CDN performance comparisons (e.g. https://cloudharmony.com/reports/editions/cdn-performance-report/basic/cdn-performance-report-0914.pdf https://cloudharmony.com/reports/editions/cdn-performance-re...) they never do brilliantly for US/EU regions. What gives?