It's not a blind-spot, concurrency and parallelism are the core of every CS level operating system course at uni-level. There are mountains of white-papers disc

It's not a blind-spot, concurrency and parallelism are the core of every CS level operating system course at uni-level. There are mountains of white-papers discussing every aspect you can imagine. It's simply that all existing OS's are simply good enough. Applications scale, not operating systems. The problem is now in the application/algorithm level, not the OS level.