The question was Does Google take action on automatically generated pages that provide no added value? The answer is, yes. Of course, Google is not perfect and if you see examples of auto-generated content that is found in the search results that do not add value, such as search results pages or scrapped content, Google wants you to submit a spam report.
In fact, Google has a document specifically about this webmaster guidelines violation named automatically generated content and the examples of content like this include:
- Text translated by an automated tool without human review or curation before publishing
- Text generated through automated processes, such as Markov chains
- Text generated using automated synonymizing or obfuscation techniques
- Text generated from scraping Atom/RSS feeds or search results
- Stitching or combining content from different web pages without adding sufficient