>You don't want to argue with Seymour Cray. Or with John Mashey, for that matter.

Sure, yet they definitely want to argue against the third one, as unlike the other two, it isn't an historically significant ISA that has now been replaced by something else.

Particularly, if they're implying there's something wrong with it and that they can do better, they should own up to that. Document what's wrong. Prove their way actually is better.

As it is right now, I have to understand it is just another instance of "the addressing modes I like having aren't there, so I made an ISA with them". A common occurrence, unfortunately.