Nah. Those who have settled on some kind of final truth stop talking about it. Topics become boring once you are sure there is nothing left to be convinced of.

Nah. Those who have settled on some kind of final truth stop talking about it. Topics become boring once you are sure there is nothing left to be convinced of. If someone is wanting to talk about a subject, they are in a state of being unsure and are looking to be convinced of something other than what they are currently thinking. But rarely is a topic so simple that "X is Y"; "no X is Z" provides enough information to move someone forward towards establishing a final truth. Even if "X is Z" is a true statement, it almost always lacks necessary context to fully satisfy what the other is in need of. It is hard for us to understand where the other person is coming from. Furthermore, if you do end up truly convincing someone of something, the topic then becomes boring and they'll just stop engaging, so how do you even know whether the argument was 'productive' or if the other just ran out of free time? Of course, it doesn't actually matter, so...