I am reminded of a post I made once asking who were bigger musical thieves, Led Zeppelin or Jeff (ELO) Lynne.  One person here really disliked that (and I'm not being coy, I have no memory of who that person was except that he was a longstanding, basically fine bloke outside of this exchange) and was quite put out.  Meanwhile, I didn't even know it was a controversial question.  I was being matter-of-fact, and to him it came across as if I'd denied the moon landing.

That's how I feel about virtually everything Koroush Ghazi has posted.  I thought it was common knowledge.