Which is precisely why one should show them how, rather than telling them to do so or doing it for them in perpetuity. If a playing field appears to be vertical, then one is on the wrong playing field.
I don't believe in "class" in the conventionally stated way any more than I believe in "society".
However, you are right as regards value of learning. My mother entered teaching as a second career and also took a keen involvement in school especially during the primary years. This did make a big difference I'm sure, as did the small class sizes and several excellent teachers at times when it mattered the most.
I'm glad also that you used the word "learning" rather than "teaching". It's completely right. Showing somebody how to learn is far more effective, rewarding and scalable than teaching them. It used to be the ethos of education after 16 and at universities. It probably still is at universities, but not at "universities".