The only real difference is that the expanded 1 just so happens to become the NDTM "in motion" for a given action of depth. In reality, computers are basically deterministic TMs with finite tapes. On the other hand, a non-deterministic TM can not be physically realized, except maybe with https://financefeeds.com/dive-into-the-7-top-new-cryptos-to-buy-this-month-and-join-btfd-coins-quirky-bulls-squad/