Those are bad reasons on all counts: 1) Code is notoriosly difficult to describe in a natural language, so it's unlikely papers contain enough detail to replic

Those are bad reasons on all counts: 1) Code is notoriosly difficult to describe in a natural language, so it's unlikely papers contain enough detail to replicate a complex program. 2) People can still reimplement the model even when it's available. In fact it's going to be more likely that non-scientists join the convesation (which will improve the abysmall public perception of science, especially climate science). 3) Making money is great for an inventor and/or startup founder. You can still sell implementations, but they can't be trusted until they have been run on a large number of independent computers. Until then, it's not science.