The blurring had previously been achieved with css rules (easily disabled). Interestingly, now they've escalated to serving blurred images of paragraphs. Unless

The blurring had previously been achieved with css rules (easily disabled). Interestingly, now they've escalated to serving blurred images of paragraphs. Unless there's some serious black-hat SEO going on, they're now letting each question's single unblurred answer provide the entirety of the page's indexable content. They're willing to sacrifice organic search result placement for the blur-wall.