At least most functional language tutorial claim to be based on abstract machines, not like the C language, which is a spherical cow that people not often aware

At least most functional language tutorial claim to be based on abstract machines, not like the C language, which is a spherical cow that people not often aware of. https://queue.acm.org/detail.cfm?id=3212479 https://queue.acm.org/detail.cfm?id=3212479