Because it's about more than learning just "the basics"?
I've used ChatGPT and it's ilk for awhile now, and generally the answers are acceptable... right up to the point where they're not.
I have the experience and skill to spot the problem in the generated code. Does your son?
You should find and read a short story called "Profession" by Isaac Asimov,
In this story, society educates individuals through direct computer-brain interfaces, a process known as "taping."
But a select group of children is chosen to learn without these implants, fostering genuine understanding and creativity.
They become society's critical thinkers, the researchers and scientists and engineers capable of advancing science and civilization.
The parallels to today's upcoming dependence on AI-based systems are striking.