Google’s Accelerated Mobile Pages has delivered on its promise to speed up frustratingly slow-loading content on mobile, but it has fostered ambivalence nonetheless with some publishers. That’s because they are “beginning to worry about giving too much control to Google in exchange for zippier web pages. What’s more, Google’s approach to AMP has rankled some critics already suspicious of the company’s outsize influence on the internet,” Daisuke Wakabayashi writes.