It apparently is confirmation bias. Because I just provided you with proof that disagreeing with me does not provoke me to make accusations of not reading. Posting in a manner that shows reading was not done sufficiently does however.
One example of many:
Someone said this
When I had already said this only one page earlier:
You really seem inclined to believe that I am accusing everyone who disagrees with me of not reading. I am only accusing people of not reading when it's clear they've posted without reading or at least posted without understanding what they've read, in which case they should re-read anyways.
I've already given you proof of your assumptions being incorrect, here is another piece of proof. Let's see if you believe me now.