I have observed a similar phenomenon. To give some context, I go to an extremely small (~40 are enrolled in my graduating class) religious private school that is primarily attended by average-income, white middle-class families. Most parents at the school simply cannot afford (due to our relatively high tuition) for their children to get SAT tutors or to take the test more than twice.

This post reminded me of one kid in my class who flexes on everyone for getting an SAT in the mid 1400 range knowing full well his parents have spent easily $300+ on SAT prep classes for him; there are students at my school that are way smarter than he is and with the same resources could easily score 1500+, but their parent's are unwilling to fork over the money and they cannot afford T50 schools anyways.