The if-then predictor is called an expert system and it is a kind of model. Combining multiple models is called ensemble model. Here, this is how the idea can s

The if-then predictor is called an expert system and it is a kind of model. Combining multiple models is called ensemble model. Here, this is how the idea can sound smart, not like cheating. ;-) On a more serious note - as always, it depends. On the logic, on the company processes and skills, how frequently will the logic change, visibility into the decision making, ... It may be a good idea or you may bring in a lot of manual work.