I believe that by saying that with functional programming the compiler (or whatever the build is…
Guy Arad

Sure, there are classes of problems that a compiler can parallelize automatically. However there are classes of problems for which this is not possible. The OP stated a problem of the second kind, waved their hands in another direction, and concluded that all is good. Prestidigitation works that way. Science does not. If you present a problem, saying that you have a solution, and then propose a solution to another problem, forgive me if I’m skeptical.