No, it's a business decision. To get to study whatever they want, they have to stick around for 3 years. They're holding a bonus perk over their head for the first 3 years someone is working. Based on what I've read in this thread and also from the Mother Jones journalist [1], they have a terrible time keeping people in the organization, from programmers to warehouse associates, and everything between I assume.
[1] http://www.motherjones.com/politics/2012/02/mac-mcclelland-f...