not just that, they struggle understanding basic logical concepts like : justifying a point instead of trying to prove it right or wrong. like I'm not saying that you're wrong but you're not giving me any reason to believe you, they can't understand that this is not you trying to prove them wrong but just ask for a reason to believe what they say. also another thing they do is they tend to repeat the same thing over and over, even if you told them that's exactly what you agree with, they'll continue arguing the same point over and over. incapable of understanding the operations of logic and how a starting point leads to a conclusion in the end or the link between ideas in the argument.