3) Doesn't merit that piece of context as you do. See my other comment about adding context is an important part of debate, but not necessarily of every individual statement.
I'm not quite sure what you're getting at; if they don't merit that piece of context as I do then either I'm wrong or they are (the latter of which would fall under #1, and the former of which I cannot learn from their statements since they never addressed that piece of context in the first place).
3) Doesn't merit that piece of context as you do. See my other comment about adding context is an important part of debate, but not necessarily of every individual statement.