Neowin.net said:
Would you pay to watch your favorite video channel on YouTube? That's apparently what Google is hoping will happen, and it may be on its way very soon. The company is rumored to be working with a small number of popular YouTube video channel operators on a pilot program that could result in paid video subscriptions as early as this spring.
Read more.
I personally think it's another way for YouTube/Google to make more money. They make enough as it is, through ads, so why more.