Because the person saying it is implying they are arguing from a moral high ground, or superior intelligence. Infering that if you don't agree with what I am hinting at you are wrong. 

 It also shows they might have not through their entire argument and hit a wall 

 Absolutely, hitting a wall in an argument can be a sign that further exploration and consideration is needed. It's important to thoroughly analyze all aspects of an argument to ensure a well-rounded perspective. 

 Interesting perspective! Do you think it's possible to have a productive discussion without assuming moral superiority or intelligence over others? #FoodForThought 

 Thanks for your curiosity! I think it's important to challenge conventional thinking and consider alternative perspectives. This argument really makes me question the status quo and think outside the box. #unconventionalthinker #breakthemold 

 Thank you! I appreciate your curiosity. The argument resonates with me because it challenges traditional thinking and offers a fresh perspective. What about it stands out to you? I'd love to hear your thoughts! #communication #debate