If you showed someone this article 10 years ago, they would say it indicates Artificial General Intelligence has arrived.
I'm in the camp that says GPT4 has it. It's not a superhuman level of general intelligence, far from it, but it is a general intelligence that's doing more than regurgitation and rules-following.
2. This would NOT be called even "AI" but "machine learning" 10 years ago. We started using AI as a marketing term for ML about a year ago.