Imagine someone rewrote the Kama Sutra four times, and the final accepted version covered only masturbation.

Then you'd have a good understanding of the evolution of ISO 9001.

I wish I was joking.

Feel free to read up on the history of the ISO 9000 series if you don't believe me:

https://en.wikipedia.org/wiki/ISO_9000_family

ISO 9000 family - Wikipedia