I agree that this is a problem, but I'm not sure that it's down to a specific lack in education specifically, in this particular case.

We use computers but cannot program or build them: we cannot build or maintain our cars or houses, we don't know where our food comes from or how to work our mobile phones. We listen to music but cannot play or sing. If something goes wrong, our first instinct is to blame someone else. What hope therefore that most people will be able to build or analyse a sentence, or take responsibility for their own misunderstanding of a text?

Incompetence at all levels and on all subjects is expected, and delivered.