It 'ought not' ('to') make any difference. [=(more commonly) it shouldn't make any difference]
Children 'ought not' [='should not'] run near the pool.
If my math is correct, the result 'ought to' be zero.
(..) A little wooden boy. Now, who'd have-- A wooden boy! Look, Giddy, look! lt's amazing. A live puppet without strings. A thing like that ought to be worth a fortune to someone. Now let me see. That's it! Stromboli! Why, that fat old faker would give his-- Listen. or my name isn't HonestJohn. (..)1940 Pinocchio