This is like arguing an Airbus cannot possibly fly because it is 165 tonnes of aluminum, steel and plastic.
The proof is in the fact that it flies, not what it is constructed from.
And LLMs do not.
> "But it looks like reasoning to me"
My condolences. You should go see a doctor about your inability to count the number of 'R's in a word.
Doing a proper fact check is as much work as doing the entire research by hand, and therefore, this system is useless to anyone who cares about the result being correct.
> I don't see why this changes.
And because of the above this system should not exist.