PBB Double up Big Winner Voting was rigged?

Last Saturday, February 13, 2010, PBB (Pinoy Big Brother) Double Up Big Winner was proclaimed and it was Melissa Cantiveros, Even at the Mid Episodes Of PBB Double Up, Melissa or Melai was already a crowd favorite because of the melai and jason love team or well know as MELASON. Two days after the Big Night, there are rumors that the voting was manipulated or rigged, because according to the news, 4 days before the Big night PBB showed a glimpse of the Ranking and at that time the 2nd Big Placer which is Paul Jake Castillo was the ahead with a 30 plus Percentage while Melai was only Third in the Rankings, there are some people said that it is a tactics of PBB Management to show the rankings before the Big Night and to show that Melissa is not No. 1 on the rankings, so that Melissa's Supporter's will keep on Voting for her and because of that PBB will get a lot of Money Through The text Votes, What a Genius Strategy LOL, Buth The PBB Management Denied The accusations and said that it the voting was not manipulated, Well Guys Its for you to decide if this is real or not.