And realize that if you were born just a few centuries earlier, you would have probably been illiterate - and if you were literate, you probably couldn't read anything beyond religious texts.
But on the other hand, you wouldn't have been able to broadcast the holes in your knowledge as far, either. And everyone has them - the holes in their knowledge. One of yours seems to be reading communication. If most folks can barely speak coherently - to you - I'd wager that you just aren't putting in the work to better understand colloquial speech.