Slow loading C64 games? Never heard of fastloader (in software/hardware/modules). Today it's eaven easier. Never had a lousy datasette.
People prefer what looks beautiful
Maybe in France, clearly not in the most of the other countries in Europe or the USA. They all prefered the Commodore machine or the ZX Spectrum over the CPC. The C64 was designed as a console, with proper hardware components for that purpose. Later Jack Tramiel wanted a full computer, the C64.