The article says that you should not use AI if high accuracy is required. I would rephrase this to "Do not use AI if you need correct answers". Asking Gemini for the derivative of a rather simple function was quite eye-opening. It came out with a detailed step-by-step solution, explaining each step with great confidence. But the result was wrong. Pointing out the wrong result made Gemini apologize and provide another wrong solution. Then pointing out the exact step where the error occurred resulted in another apology, and in exactly the same wrong result as before.

With Wolfram Alpha you get a result that you can trust (or no result if it is outside the scope of Wolfram Alpha). With AI you get a result that you cannot trust, although it is presented with high confidence. This can be worse than useless.