I remember a VC dinner in Palo Alto about 5-6 years ago and SeaMicro came up, I think I was seated next to one of the founders of SM. I argued that SeaMicro had no business model because the magic was in the control and scheduling software, process isolation, allocation and management, and not cheap dense cores, which were a canard. And so here we are.
Unless you automate it, it will not scale
Corollary – most people will never need to scale.