Each problem can be solved by making new assumptions. However, by Criterion 2, this reduces our confidence in the theory. A legitimate theory allows us to predict unusual things we should soon see if we look in the right places and make the right measurements. Substantiated predictions will greatly increase our confidence in an explanation. Published predictions are the most important test of any scientific theory.
Few evolutionists make predictions.
Few, if any, have been made publicly. This does not inspire confidence in these explanations. Rarely do predictions accompany explanations of ancient, unobserved events. However, some predictions can be associated with the impact theory. For example, a very large impact crater should be found whose age corresponds to the time of the extinction of dinosaurs.