Is using weak arguments a sin? Let's imagine a situation:
>in an argument with someone
>I know that he's not well-informed
>I am lazy and I use an argument that is easy to present but I can think of hundreds of ways to debunk it from the top of my head
>it turns out to be enough and I convince him
Does it mean that I lied to that person? Or just saved some time I would have otherwise lost on presenting more complex arguments?