It’s an attempt to create plausible deniability — “I bought it from someone else who said it was real.” The problem being that no one would think such a thing was valuable back in 2001; Apple was in much better shape than in the mid-90’s, but it wasn’t that far from Dell suggesting they shut down the company. ebay really should yank this person’s account.
Do we have aby indication that that's true? They are trying (and apparently succeeded) to sell something that's quite obviously fake. Whatever else they claim should be viewed in the light of that lie.