Well, if they actually give full open source, then those that always 
think 'conspiracy' when Microsoft is named need not fear as everything 
is there for viewing under the microscope.  I see that CodeGear (read 
Borland) has their Ruby for rails IDE (3rdRail) for sale already. 
People do not seem worried about that.  I expect that fears will fade in 
proportion to how open the source is with MS as well.  After that, 
IronRuby will succeed or fail based on its intrinsic merits just as 
everything else does (or should).
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