This is another great example illustrating the need for reproducible research practices even in the hard sciences, in this case so that the papers in question could be easily checked after Luo's excellent finding.

For an earlier discussion on the same topic, referencing other discussions: https://news.ycombinator.com/item?id=17819420

(Top comment: "This article harkens back to discussions of the "reproducibility crisis" in science, as discussed extensively here just recently (see link below). Where, in this case, not coughing up the code used in the simulations in a timely manner led to an apparently unnecessary multi-year dispute.")