On one hand, we have Bill Gates, talking with abandon about TV on the Internet and how we'll look back in five years and laugh at what we once had. On the other, a new report provides a wary view of TV's future and unsurprisingly comes from a traditional broadcasting perspective. Video online has a huge advantage having seen the mistakes and successes of the music industry and many broadcasters and online video providers have already presented a working model. If broadcasters hold back from experimenting now they are likely to be the ones who fall foul of the pirate…