> it showed errors in the methodology of an earlier study, it did not produce a novel result.

It showed that there's no big difference. From the link:

> Combining corrections for all of these aforementioned items, the reanalysis revealed that only 4 out of the original 11 languages correlated with abnormal defect rates, and even for those the effect size is exceedingly small.

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> we have real-world evidence that rust leads to significantly less bugs in the real world

no, we only have evidence for memory bugs, that's not what I was talking about