It's a semantic argument over the meaning of "pattern". Your example is mathematical, the meaning in the linked article is more along the lines of "statistical model".

I mean, to provide a counterexample: we have about as good a model for beta decay of H3 as we are ever going to get[1], but we still can't tell you when your geiger counter is going to click.

[1] Pause for some physiscist to jump in and tell me this is totally not true and there remain deep theoretical holes here.