To each their own. I mean compilers didn’t produce trillions of dollars of investment, and produce serious and profound philosophical questions about the nature of consciousness but you’re right, thank god we have C
Not to mention that the less easily-explainable a technical achievement is, the less investment it will attract simply because fewer people will grasp the ramifications. You can describe AI in two words ("machine human") while it would take a few more to describe compilers in an instantly understandable way.
I personally think AI will end up sitting in the top 3 of these - but that is an opinion. I do think it is obvious it is at least _somewhere_ in that list.