No monopoly will ever meet your first criteria over a long period of time. Absent competition and a plethora of competing engineering platforms, there's simply

No monopoly will ever meet your first criteria over a long period of time. Absent competition and a plethora of competing engineering platforms, there's simply no pressure to make things well designed, and no competitive selection to help distinguish what even is well designed. The idea that we can have the good parts of a monoculture but "do it right this time" and avoid the horrific downsides is a fantasy.