That is because he is one of those individuals in all these discussions all over the net unwilling to admit that even he has to note distinctions between things even as he himself finds himself forced to note some of them.
The guy is just plain, outright dishonest.
He is not alone in that, though. His willful denial of these distinctions even as he is forced to go by some of them himself, is evident throughout the Scriptures all the way back to when the Adversary, also in his pride and knowing own agenda, blinded himself to the need for distinctions between things; as revealed by his "I will be like the Most High."
This is exactly why John W gives the guy the hard time he does. Because the guy brings it on himself in his consistent dishonesty.
Lol, your turn John W.
Yet another John Nelson Darby follower who can't defend Dispenationalism and has no choice but to attack the person who points out the false teachings of Darby.