I have not employed, in the design of this algorithm, a great deal of innate knowledge regarding morphology, but that is for the simple reason that knowledge of how words divide into subpieces is an area of knowledge which no one would take to be innate in any direct fashion: if sanity is parsed as san + ity in one language, it may perfectly well be parsed as sa + nity in another language.
while passion may flame disagreements between partisans of Universal Grammar and partisans of statistically grounded empiricism regarding the task of syntax acquisition, the task which we have studied here is a considerably more humble one, which must in some fashion or other be figured out by grunt work by the language learner.