Can this be used to easily disable ME?

Longer answer: You cannot fully disable the ME (the system won't boot) but you can use me_cleaner https://github.com/corna/me_cleaner to remove parts of the ME firmware that you don't want. "However, ... flashing back the modified [ME firmware] is usually not trivial, as the Intel ME firmware region is often non-writable from the OS (and it's not a safe option anyways), requiring the use of an external SPI programmer."