incense

〈人を〉ひどく怒らせる,いきり立たせる;《受身》（行為・言葉などに）激怒する
Jeremy had every right to be incensed by the title of Matt's piece, because both Yahoo! and Google have made enormous efforts to give back to the open source community that gave them such a good start in life and is so important a part of their foundation.