There are a lot of people in this thread who seem to be very confident and skeptical of the author's position. Maybe this would be a good opportunity to try the exercise he challenges in the article? Please post your nomination for what’s the least impressive accomplishment that you are very confident cannot be done in the next two years. We can check back in 2022 and see how we did!
Complex analysis in general is one of the more fun parts of math and I doubt it's getting automated any time soon. It also has a lot of application in signal processing (https://www.quora.com/What-is-the-application-of-complex-ana...) so any automation improvements in complex analysis can be carried over to those fields.
More generally, I don't think AI is the scary monster people make it out to be. It's another tool in the toolbox for automation and intelligence augmentation. I don't fear hammers so I don't see why people fear AI and the benefits of extra automation that AI enables.