> then they sell the models, or the results of the models Meh, the models will be worthless in a few months, and that is if they aren't already worthless right

> then they sell the models, or the results of the models Meh, the models will be worthless in a few months, and that is if they aren't already worthless right now. All those black boxes with magic coefficients from inputs to outputs are inherently unmaintainable. Toss them a black swan, and it all goes pear-shaped.