[CmonDev]

Scott Guthrie abandoned Silverlight after giving speeches about how it is the best technology. Soon enough he will ruin Azure despite Nadella's efforts.

[SideburnsOfDoom]

Silverlight did not fail because WFP is a bad technology.

Silverlight failed because the market for flash-style browser plugins was drying up and moving to JavaScript.

[CmonDev]

Enterprise was as happy to be using it as ever.