[kipchak]

Part of the confusion was over the T2 chips that were added back in 2018 that were reportedly[1] bricking computers if non genuine parts were used locking out independent repairers.[2] I'm not sure if that functionality is actually active though.

[1]https://www.extremetech.com/computing/280501-apple-confirms-...

[2]https://www.ifixit.com/News/11673/t2-mac-repairs-test