the collection of hardware parts in those days was really different. I imagine that simply disposing of the dependencies on a hundred "standard" parts of a mode

the collection of hardware parts in those days was really different. I imagine that simply disposing of the dependencies on a hundred "standard" parts of a modern PC motherboard in the source code, is a win. So it is not better to go back to CP/M for some architectural reason, it is a win to get-rid-of the intrusive and bulky, and patented, parts in modern OS.