All that free stuff is stuff that M$ wants to sell to a captive audience for big bucks. "Free" is not a word you want to use loosely around the M$ campus.
Why do the lemmings still buy M$? 'Cause they always have and everyone knows how it works, and while it isn't that good, it puts bright and shiny over the warts. Vista may turn this around though. It's REALLY bad.