"The statements that quantum mechanics makes about the subatomic world fly in the face of our natural intuition about the macroscopic world"

plenty of atomic and higher scale systems behave like "quantum" systems. in fact if you incorporate decoherence, every "system" is "quantum".

"The wavelike nature of matter doesn’t manifest itself at macroscopic scales"

yes it does. that's how it was discovered and where qm came from. google the debroglie hypothesis.

this article is ridiculous