Matt responded directly to that saying:
@joshbachynski disavows can help for Penguin.
Here is the tweet:
@joshbachynski disavows can help for Penguin.— Matt Cutts (@mattcutts) June 28, 2013
For most, this was not a question but it is good to have on record for Matt Cutts.
Forum discussion at Twitter.
Image credit to BigStockPhoto for ninja penguin