Seems like the person who wrote the blog works in "classical" deep learning. So do I, so here's the fairest take I can come up with: "AI" has for recent memory been a marketing term anyway. Deep learning and variations have had a good run at being what people mean when they refer to AI, probably overweighting towards big convolution based computer vision models. Now, "AI" in people's minds means generative models. Th…
Regression, both linear and logistic are from the mid 1800s to early 1900s. Neural networks, at least the basics are from around 1950.
What has really changed is the engineering, the data volume and the number of fields we can apply the mathematics to. The math itself (or what is the basis of AI) is really old.