I think they meant EPIC https://en.wikipedia.org/wiki/Explicitly_parallel_instructio..., not EPYC https://en.wikipedia.org/wiki/Epyc.
People were bad at handling parallelism with ia64, and still have problems today on better amd platforms with less janky compilers.
The fact an $800 chip still can beat a $14000 chip at some tasks probably should tell people something about concurrency scaling overhead. =3
And pivoting to concurrency on a rescheduler-intensive core as opposed to concurrency on a scheduler-based core isn’t very pertinent, particularly since we have 25 years of Moore’s Law between then and now.
How many strings does a Bass play with in water? =3