Sentiment changed when the “BIOS” became a component for enforcing security architecture via “SecureBoot” and also Bitlocker sealed to PCRs only does so much if the BIOS code is vulnerable. Now they really badly want a “trusted” chain from some root of trust until the OS bootloader takes over. Problem is that the developers have historically enjoyed being in a trusted, single user context for decades and so the firmware has been full of holes when actually pushed.