For instance, let O be any observational statement. In other words, this criterion lets in too much, and it would be easy for creationists to use it to argue that creationism is a science. Creationism does not display this cluster of features. Therefore, creationism is not a science. This is not really an objection, but it does suggest that the argument is incomplete.
Science succeeds at more than accommodating experience.
Its models succeed at anticipating facts not used in the construction of the models. E.g., the auxiliary assumption that Madagascar separated from Africa at the certain point in geological history is also used in geological models, and gains independent support from them. Theory unification aids in the anticipation of novel facts because it allows for the extension of a model constructed in one domain of explanation to another. It is important that anticipation, or prediction, of novel facts does not have to be prediction of the future. It is unfair to count only a prediction of the future course of evolution as the only thing that will count as prediction in evolutionary theory.