I don't think it's an unreasonable point to raise. I would however reply that, in a world where most people's primary computer is some form of SOC with peripher

I don't think it's an unreasonable point to raise. I would however reply that, in a world where most people's primary computer is some form of SOC with peripherals soldered to it in god knows what way, the term "IBM PC-compatible" to refer to an x86 system with a BIOS and VGA graphics and the rest of it is still meaningful and useful. The "IBM" part simply means the standard that IBM created, and doesn't have to imply that the software runs on an original IBM PC - rather, it implies that software that could run on an IBM PC also runs on such a machine. Hell, DOS still runs on bare metal on a modern machine.