It should violate the duplicate content guideline, since 100% of Pinterest content is not original and lifted from another website. Then again G also ranks tho

It should violate the duplicate content guideline, since 100% of Pinterest content is not original and lifted from another website. Then again G also ranks those Markov-generated "blogs" with nonsensical text, not sure what to call them but you've seen them. It seems SEO is still alive and well despite all the claims of its death.