Comment by sourcepluck

This may have been true at some point... in the 90s? I'm not sure if it actually was even true then. In any case, it isn't true today:

https://minifree.org/product/libreboot-t480/

https://pine64.org/devices/

https://puri.sm/products/librem-14/

https://www.raptorcs.com/TALOSII/

https://frame.work/ie/en/products/laptop16-diy-amd-7040

https://www.olimex.com/Products/DIY-Laptop/

https://shop.mntre.com/products/mnt-reform