He keeps on pressing his imaginary partner in this conversation to just concentrate on the number of equivalent programmers rather than any other measure like p

He keeps on pressing his imaginary partner in this conversation to just concentrate on the number of equivalent programmers rather than any other measure like performance or probability of bugs making it into production and the cost of fixing them, and then when they decide there's no more gains to be made from programming speed, all of a sudden we are at the pinnacle. No, we are not at the pinnacle, because programmer speed (as he very well knows, because he keeps on putting those objections aside) is not the only thing that matters.