"blogspam" is a bit harsh - it's based on a different dataset, and if you scroll down they do acknowledge Nick Berry's old analysis.

Discussed several times on HN btw:

Most common PIN codes (2012) - https://news.ycombinator.com/item?id=40359736 - May 2024 (88 comments)

PIN number analysis (2012) - https://news.ycombinator.com/item?id=17670173 - Aug 2018 (72 comments)

Statistical Analysis of PIN Numbers (2012) - https://news.ycombinator.com/item?id=11365962 - March 2016 (1 comment)

The 20 most common PIN numbers - https://news.ycombinator.com/item?id=11230045 - March 2016 (1 comment)

PIN analysis (2012) - https://news.ycombinator.com/item?id=11228319 - March 2016 (1 comment)

PIN number analysis - https://news.ycombinator.com/item?id=5124024 - Jan 2013 (82 comments)

PIN Number Analysis - https://news.ycombinator.com/item?id=4654337 - Oct 2012 (2 comments)

Analysis of bank PIN numbers - https://news.ycombinator.com/item?id=4535417 - Sept 2012 (111 comments)

The new link has some pretty good viz going on, so at lest they put a lot of effort into re-presenting the data.