> All memory must be statically allocated at startup. No memory may be dynamically allocated (or freed and reallocated) after initialization ... It's baffling that a technique known for 30+ years in the industry have been repackaged

This is also how GPU shader programming works: there's no real equivalent to heap allocation or general pointers, you're expected to work as far as possible with local memory and sometimes preallocated shared buffers. So the technique may be quite relevant in the present day, even though it has a rather extensive history of its own.