Well, it's driven by analytics as we all know. Roberts seems a bit of a gambler at heart so maybe if left to his devices he would do more of that, but he's probably constrained by a philosophy dictated by management.
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Net 54-- the discussion board where people resent discussions. 
My avatar is a sketch by my son who is an art school graduate. Some of his sketches and paintings are at
https://www.jamesspaethartwork.com/
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