That is a blatantly incorrect summary. Might you have dismissed the article too early?
The summary is generated by AI.
Why post an AI summary if you know it's wrong?
Sorry - it seems a fairly accurate summary. Quite impressed by Llamma 3 there
I mean there is even a pull quote in the article:
Not all bugs can be found until you are in production - therefore some testing must be done in production [and by implication you need to test carefully and be able to rollback]