I thought there were more but these are the only two interesting prior threads I could find. Others?

A better explanation of the Liskov Substitution Principle - https://news.ycombinator.com/item?id=38182278 - Nov 2023 (1 comment)

The Liskov Substitution Principle (2019) - https://news.ycombinator.com/item?id=23245125 - May 2020 (93 comments)