I don't know about that. If the end user actually got to the end of the rainbow, they would have a pot of gold. I think most end users would love to have a pot of gold.
If the end user actually got to the end of the semantic web... they'd have some extra invisible markup. I do not think I would be able to convince most end users "Hey, I was going to give you a pot of gold but instead have some extra invisible markup. You should be happy, you're getting a much better deal now."