As far as "SL has no RL value"... ok, a matter of opinion.
Here are the facts behind mine.
The virtual items I sell on SL bring RL people RL pleasure.
The virtual items I sell on SL result in a virtual currency that has RL value.
The virtual art that is created on SL is still art, regardless of its virtual nature. Art transcends medium. Just because the medium is pixels rather than oil does not eliminate its RL value. It may not draw the same payment as a "RL" painting.. but it is RL art nonetheless. It just exists on a virtual canvas.
Tell Anshe that "SL has no RL value". She seems to enjoy a good laugh now and then.
Here are the facts behind mine.

The virtual items I sell on SL bring RL people RL pleasure.
The virtual items I sell on SL result in a virtual currency that has RL value.
The virtual art that is created on SL is still art, regardless of its virtual nature. Art transcends medium. Just because the medium is pixels rather than oil does not eliminate its RL value. It may not draw the same payment as a "RL" painting.. but it is RL art nonetheless. It just exists on a virtual canvas.
Tell Anshe that "SL has no RL value". She seems to enjoy a good laugh now and then.

Fact if SL closes it's doors tomorrow those items ppl dervive pleasure from are gone, and so its any RL money they paid for them.
Fact, that virtual currency only has real world value it two things BOTH are in accordance..ppl value them the same as you do and SL stays open. Again if it closes tomorrow your L's are gone.
Fact, the virtual art that you create in SL exists within SL only, and is not exportable in any6 way shapoe or form as long as you do NOT have the geometry file in your PC. It is only in SL and as such is only useable as art or mechanism within the confines of SL.
And as far as telling Anshe anything, in the first place she had a lot of help making it in the first place. Secondly, I know a bit about those "business" methods from eprsonal experience and personally would not indulge in them because I'd feel guilty as HE** about doing ppl the same way.