For those of your transplants, there are somewhere around 3.2 million people in San Diego County today, back in the 70’s there were 1.3 million. There were still the same amount of beaches, parks, mountains, lakes, and almost the same amount of roads in the 70’s, but 2 million less people, so please do not lecture the natives. Not everything was that great, here is a picture of Blacks Beach in 1974: