Rorschach, you need to just slow down and take a deep breath. If a mate of yours in a pub said "that fool deserves a bullet between the eyes", how would you react? Would you assume he was talking literally, and that it was only the fear of being caught that stopped him from murdering the said individual, or would you understand immediately that this was a figure of speech?
Now, if you think the former, please ring up the police and report Roger. His surname is easily available, and the post which so offended you is still available here as evidence. Go on, put your morals to the test...ring them and report this crime (as you see it).
Or you could take the rational approach of understanding that using hyperbole is standard every day stuff. You yourself will use a figure of speech, an idiom, a phrasal verb, before your mid morning tea break, I promise you. It serves your purpose, for some reason I can't fathom, to allow different standards for yourself than you do for others with regards to figures of speech, and whatever you think of Roger it doesn't reflect well on you to deliberately mis-represent the nature of someone's words.