I'm positve they will eventually, but not until the Silverlight install base reaches a certain threshold. I'm not sure what that threshold is but I hope we get there soon.
The best place I found to keep track of the approximate Silverlight 2 install-base is www.riastats.com. RIAStats keeps real-time data on the install-base of the different plug-ins. They somewhat recently started filtering out sites with content specifically dedicated to Silverlight so as to have a more accurate reading.
Today, the percentage install-base for Silverlight 2 crossed the 6% line! woohoo!
Still a long way to go but it's moving in the right direction. Hopefully things will pick up once the final version of Silverlight 2 is released.