they might not be simplistic, but we've already got experience with google making a model and then external conditions change, invalidating the model- see Googl

they might not be simplistic, but we've already got experience with google making a model and then external conditions change, invalidating the model- see Google Flu Trends. After the team launched it and got their promos and moved on, the zombie jobs training the model failed to make useful predictions the next year. The model was not simplistic; it's just that it didn't generalize and needed constant attention from humans.