Why would one ever predict anything at all if it was always falsifiable? Do you mean like eventually falsifiable? Like, I don't know about you, but I tend to go ahead and do any falsifying of something first if possible, before I resort to predicting.

Can you give an example of what a good/proper prediction might be, even in a hypothetical universe, in this schema? Does one "predict" when they play blackjack? Or is there a different concept for that kind of thing?