Riddle solved: Why was Roman concrete so durable? (2023)

(2023) At the time (627 points, 270 comments) https://news.ycombinator.com/item?id=34280239

I just wonder how private equity will find new ways to instead enshittify concrete to sell more of it rather than make it self-healing like it was 2000+ years ago.

2023 ?

They just found out about it. Better late than never.