> With your experiment, you are testing all sort of things unrelated to knowing how to read, to the point that you can't draw any conclusion on the ability of people to read.
Even "caught off guard", not "feeling particularly positive", and "reading phrasing from someone else", some people have so fundamentally mastered reading as a skill that this wouldn't be difficult for them even if the challenge were attempted drunk. The point of the parent comment was, I believe, that for such people it may be hard to imagine that others would believe "reading a wall of text is indeed hard" because it isn't for them.
Even "caught off guard", not "feeling particularly positive", and "reading phrasing from someone else", some people have so fundamentally mastered reading as a skill that this wouldn't be difficult for them even if the challenge were attempted drunk. The point of the parent comment was, I believe, that for such people it may be hard to imagine that others would believe "reading a wall of text is indeed hard" because it isn't for them.