There are clearly a lot of things you don't understand. The word "learn" is extremely broadly defined in current use. Evolution is a form of learning, at the population level (given the broad definition of learning).
The data is either the genes or the combination of genes and environment/laws of physics. It's laid out in the post. This blog post may or may not be right, but the idea that it's some obviously stupid idea is obviously stupid. It's not even novel - this idea has been around.
https://chatgpt.com/share/6705bfa0-67e8-8002-b570-010e7a25db...
The data is either the genes or the combination of genes and environment/laws of physics. It's laid out in the post. This blog post may or may not be right, but the idea that it's some obviously stupid idea is obviously stupid. It's not even novel - this idea has been around.