Reading this is like talking to that one friend who has something negative to say about every movie, TV show and musician you like. Even when their criticisms are valid, the relentlessness of their cynicism is obnoxious.
Most infuriating is people pretending to have deep knowledge by dumping on technology. It works for the most part because most technologies are over blown. But when the tech is actually revolutionary they just add noise to everything - until most sane people believe completely insane things about the current state of play.
Anyone who thinks recent machine learning advances aren't A MASSIVELY BIG DEAL™ is either emotionally invested in their failure or listening to these doom and gloom puppets.
The author also failed to discuss the many actualv advances in AI this year. Neural nets on 3D point clouds has become much better, image based transformers are doing some fascinating work, massive improvements to training efficiency and scaling models.
2020 from the perspective of AI progress was pretty solid, lots of good wins.