[watertom]

Maybe this an option that’s in place just in case Apple decides to license the chip/boards to one or more OEM’s.

OEM licensing makes sense for a SOC, plus the more the chip sells the lower the price per unit, so Apple would make money on the license, and lower their costs.

[user-the-name]

The support is in the OS. It is there to allow you to install other OSes.