Everyone can learn anything.
What differs is speed. Intelligence is not about what you know, but how quickly you can build a mental model, see the system, and ask the right questions to fill gaps.
But here is the bottleneck:
when you enter a new domain, you do not know what you do not know.
So you cannot ask the right questions.
That is why knowledge often beats raw intelligence.
Even a very smart person struggles in a new field because the search space is unclear.
A good tutor solves this.
Not by dumping information, but by guiding:
This is exactly where AI should excel.
A real AI tutor should:
Not just answers.
Optimized questioning.