The reason it didn't have math from the start was that it was a solved problem on computers decades ago, and they are specifically demonstrating advances in language capabilities.
Machines can handle math, language, graphics, and motor coordination already. A unified interface to coordinate all of those isn't finished, but gluing together different programs isn't a significant engineering problem.
is quality of this system good enough to qualify for AGI?..
By your own explanation, the current generation of AI is very far from AGI, as it was defined in GP.
Like that post from Klarna that was on HN the other day where they automated 2/3 of all support conversations. Anyone with a brain knows they're useless as chat agents for anyone with an actual inquiry, but that's not the part that matters with these AI systems, the amount of money psycho MBAs can save is the important part