Earlier quoted context omitted.
You can simulate a human brain on pen and paper too.
The simulation isn't an operating brain. It's a description of one. What it "means" is imposed by us, what it actually is, is a shitload of graphite marks on paper or relays flipping around or rocks on sand or (pick your medium). An arbitrarily-perfect simulation of a burning candle will never, ever melt wax. An LLM is always a description. An LLM operating on a computer is identical to a description of it operating…
It might if the simulation includes humans observing the candle.