Maybe if the GEOS-powered C128 also had a 65c816 CPU, a vastly more powerful CPU than the 8502 without being as expensive as the 68000 was at the time. The C128 needed more memory.
Commodore needed more memory. We already had megabyte machines in the late 80's.
Commodore needed more memory. We already had megabyte machines in the late 80's.