[Eric Coffey]

Originally Posted by masraum

It's just a guess on my part, but...

https://www.ecommercebytes.com/C/blog/blog.pl?/pl/2019/8/1564681600.html

Yep, that's the blog run by the couple mentioned, and the specific newsletter in question.
Though, they have been critical of eBay for quite a while it would appear.