By Ashleigh Rainbird The Pet Shop Boys have taken a pop at Taylor Swift’s music, saying it does not compare to legendary tracks by superstar Michael Jackson. Swift’s latest album The Tortured Poets Department is already the fastest-selling album of the year. And it will mark her 12th No1 album on Friday, when she is likely to enjoy her biggest opening week of sales. But despite the hysteria about the release, Neil Tennant, 69, thinks the US megastar’s music is disappointing. He said: “I was looking at the chart today and it is all Taylor Swift. She sorts of fascinates me as a phenomenon becaus…