Yeah, the poll only stated it was online, how exactly were they asked and how was it asked? I have no idea and again, it isn't my job as a news consumer to ask the questions the news service should before reporting the poll results in the first place. That's their job but the media these days rarely researches anything. The M:Metrics page is just a press release and not poll results so as a consumer I have nothing to tell me what the poll really asked and means.
But it is my job and in my best interest to not blindly believe everything I read.