It's getting painful to read some of the posts on here.

Most of the time you can read a paragraph even if all the vowels are missing. It is also not to difficult to read a paragraph as long as the words have the first and last letters correct, and all the other letters are present, in any order.
I think it is concepts that are difficult to understand. For instance, my wife has a degree, spells great, good grammar, good punctuation, blah blah blah. However, when she tries to describe a real or perceived problem with with her car, my response is usually... huh?.