"One of the reasons this topic comes up in Microsoft circles is the
fact that so few Microsoft desktop applications use the CLR. As you
may be aware, there is a performance cost associated with running code
in the CLR and garbage collection often gets painted as the chief
offender."
http://douglaspurdy.com/2008/06/12/objective-c-20-garbage-collection/