But, I hear this about Intel's instruction set - at a number of tech sites.
Intel got their start making memory (SRAM). They had Moore and Noyce, as I recall.
Anyhow, I am not qualified to opine on instruction sets. I am curious as to where it went 'wrong.' I accept your declaration as being likely true - I've seen it echoed elsewhere. But, if you know, do you happen to know where (perhaps even why) it went wrong?
I have tried the mighty Google, by the way. It was no help. I may have not had the correct search terms. I am a mathematician, I only programmed (retired now) out of necessity. In fact, I hated computers for the longest time. I am just curious about the history of where they went so wrong that so many people complain about it.