ignorant [ ig-ner-uh nt ]
adjective 1. lacking in knowledge or training; unlearned: an ignorant man. 2. lacking knowledge or information as to a particular subject or fact: ignorant of quantum physics. 3. uninformed; unaware.
Seems to me that he is spot on. Maybe dude should have done some research before commenting on this post.
Thank You for the explanation ( i was not aware of the meaning of the word ....). Still is not the way to further discussions.