There are legit security reasons you’d want this. Giving the owner of the equipment the ability to manage this would have been the appropriate solution.
Yeah isn't chassis intrusion detection fairly common? I feel like it's been an option to enable in most BIOSs I've seen.
There are legit security reasons to employ platforms that accommodate in-house repair. 'Security' can also include requirements for traceability at the component level.
Security isn't a product.
This. Purism offers anti-interdiction services [0] for their laptops and you still can open them and upgrade RAM/SSD.