A comment in a forum says Google’s use of breadcrumbs in the SERPS can help the user as well as remove relevant signals of allowing the user to see the actual page name. Eye-tracking studies show that 24% of people viewing SERP snippets look at the URL. Now that breadcrumbs are part of the snippet, this “signal” is the key.
http://www.searchenginejournal.com/breadcrumbs/15022/