Whatever happened to Primum non nocere.

Similar to "Justice is blind" it has always been an ideal and not actually reality.

It got outcompeted by less onerous business models.

Looks like Lasse Collin has commented on LKML: https://lkml.org/lkml/2024/3/30/188

Also, some info here: https://tukaani.org/xz-backdoor/

Or if you can't stand the lkml.org UI:

https://lore.kernel.org/lkml/20240330144848.102a1e8c@kaneli/

"cervical mucus quality" sounds like it fits that definition.

> menstrual cycle length, biological sex and age, whether user is logging sexual activity, cervical mucus quality, etc.

These are hardly data collected by Apple Watch, unless someone is being inventive with one. These come from HealthKit. Which is alarming as HealthKit can also sync your EHR from health providers.