We’re talking about low level software that makes the hardware usable here, the reason that Raspberry Pi is the king of this market is because they have the software support that allows their hardware to just work. Pine64 relies on the community to do this for each of the boards they release.
Pine64’s most successful products have been the ones they release as full products with working firmware.
Smiling with the mouth isn’t a universal expression, different animals express happiness in different ways