if you want a lot of people to use your product, you better make it usable for a lot of people. Obscure APIs with dense or non-existent documentation is fine for the hacker set, but the average person is not gonna learn R, Python, Scala, MapReduce, or Hadoop. Most professionals didn’t want to learn SPSS in the first place, they sure as hell don’t want to learn something else. Don’t punish your customers just because they don’t want to learn your pet framework. STAS wins because it doesn’t punish its customers. It helps them.