As to how rationales go, this is the clearest.

I hate it.

Like, say, slow down an older phone so one has to buy a new faster phone? Source

A registration system where only registered parts are allowed, so no clean room (software engineering) third-party manufacturing? Every single part has to be registered with the original device manufacturer? This seems like a detour around right to repair.

This would be seriously useful, what are the impeccable primary sources?

For some: “The uploader has not made this video available in your country”

However, there is also this 14 minute video from a few years ago: Investigation: Thousands of trees illegally felled to build IKEA’s flat pack empire.

In 2016, HDDs were more reliable (MTBF).

In 2022, for the first 5 years, SSDs are looking more reliable. With more of a constant failure rate (1%/yr), than the increasing failure rate of HDDs after 5 years.

(Caveat: not just bit rot, but general failure data.)