Ouch. I know the article comes from Reuters, but that phrase looks extra bad on news.yahoo.com.
Amoroso said he had informed the Yahoo board when he became chairman in May 2012 that he intended to serve only one year
This is either shoddy journalism, sensationalist lede, or both. There's clearly more here but I guess the writer said, "Meh - this is good enough. I'll just post this" instead of researching deeper and finding out "Was the resignation planned far in advance or was this a shock to the Yahoo! folks?"