To be fair, I don't think the shooter said this, it was his team (that was also using bullying tactics). I'm pretty sure the shooter remained quiet until the ref made his decision. I also don't think the shooter was aware of the foul until after, he legitimately though it was clean.
The controversy with this shot is that it was video reviewed by a ref and called fair. It was a pivotal decision and directly affected the outcome of the match.
I could imagine a shooter concentrating on the 8ball, and not noticing the other ball was clipped first...of course after seeing the video, no one can dispute the foul