OPRAH Winfrey's ''everything you didn't want to know about Michael Jackson and couldn't be bothered to ask'' television special, aired on Wednesday night on TVB Pearl, didn't exactly stir the territory. By yesterday evening, just six viewers had called the station to express their views, compared with the 5,000 or so callers who come on the line every time one of the four kings of Canto pop - Leon Lai, Aaron Kwok, Jacky Cheung and Andy Lau - appear on the box. But one of the callers was quite distraught. She had watched the programme but her son, who according to mum is a fanatical Wacko Jacko worshipper, had missed the programme because he was at work. ''If you don't show it again he will commit suicide,'' she wailed down the phone. I understand TVB programme planners have gone into a huddle over that one.