With regard to local variables, although standard Forth has them or considers them as an extension, Moore is correct in the sense that they are a crutch for whe

With regard to local variables, although standard Forth has them or considers them as an extension, Moore is correct in the sense that they are a crutch for when you did something wrong - often they allow to sweep under the carpet a "stack juggling" issue, which is usually a sign that you should reconsider your approach to the problem. FYI Moore also designed processors; one of his designs was apparently viable enough to be part of the Rosetta mission. At some point he wrote his own CAD program to design his processors, which are at the very least functional. It's not "simplicity of implementation" for the sake of it. It's about finding the simplest solution to a problem. But people too often confuse "simple" with "easy" if not "lazy" or "simplistic" - like your depiction of his approach.