In John Reynolds "The Discovery of Continuations" paper he cites an interesting observation by Doug McIlroy:

"So while van Wijngaarden said that goto's were unnecessary ... , Dijkstra stretched the point to say that goto's were inconvenient. The latter lesson stuck."

Essentially Van Wijngaarden was talking about a continuation passing style, where the remainder of a program is represented as a function, so at the end of a function you always call another function and no function ever returns! Read the paper: https://homepages.inf.ed.ac.uk/wadler/papers/papers-we-love/...