[fny]

I'm not sure I follow what one step means exactly. Aren't all models some f(x) = y? Is the suggestion instead that we should be doing f(x) = g(h(x)) = y?

What would the difference be?

[smokedetector1]

The fallacy is that f(t+N) can be obtained by iterating f(t+1) N times. This is the “step”