No, not at all.
Like you I believe that I am right in what I believe. If thought I was wrong and you right, then I'd change my belief and we'd agree.
The case in the long, drawn out discussion of Penal Substitution is a good example. I respect men (like Piper, Wright, Sproul, Beeke, etc) who, although differing in interpretation, are biblical in their approach. But these men acknowledge what is of Scripture and what is not (they seem to be able to identify what is their understanding and what is the actual biblical text). This is different from claiming that at every turn God chose to imply, rather than have written down, such a vital doctrine.
That said, I do not have much patience with dishonesty, and that is what we often see in these types of discussions. One side pulls out quotes and misapplies them to suit their agenda. We saw this in the Penal Substitution thread and we see it in accusations against Calvinists.
So when I say "biblical illiteracy" I mean things like saying "forsake" in Psalm 52 has the exact meaning of God abandoned Jesus not to the Cross but while He was on it. I mean reading "dying he died" to mean, because of the grammar, that Adam died twice - an immediate spiritual death followed by a physical death. We have to be able to distinguish between our interpretation and what is really written, while holding our interpretation as true.