Naysayer sauce but where is the beef?
In other words, there has not been any significant conceptual progress in AI for more than 30 years.
I'm sorry but that is completely wrong.
If nothing else, we have learned that a lot of problems can be semi-successfully attacked by function fitting. and theoretical work is advancing.
Judea Pearl has advanced the causal revolution like a bulldozer, electrifying the field that dogmatic statisticians have kept sterile since the early 1900s.
Rodney Brooks has been working rather well on advancing robotics.
30 years includes work by Hofstaedter too, so GOFAI has had its advances.