It does save time. You shouldn't skip Celes though, because she's necessary for the World of Ruin. If she's skipped, you get a Moogle instead, who has poor stats and cannot be equipped.
I think he's trying to say that you should go through the passage backwards. It skips the whole stealing clothes sequence.
I think he's trying to say that you should go through the passage backwards. It skips the whole stealing clothes sequence.