text_a: yet another iteration of what 's become one of the movies ' creepiest conventions , in which the developmentally disabled are portrayed with almost supernatural powers to humble , teach and ultimately redeem their mentally `` superior '' friends , family ...
text_b: the bottom line with nemesis is the same as it has been with all the films in the series : fans will undoubtedly enjoy it , and the uncommitted need n't waste their time on it .