I'm not necessarily in agreement with the practice, but my former employer of over 35 years replaced hundreds of trucks at 100,000-120,000 miles every year. The first and each oil change afterward was at first 5,000 miles and they eventually went to 7,500 miles and have got great service out of them. They did multiple studies with oils and filters by analysis. They even tried Baldwin filters and decided to go back to WIX. I quit buying new auto's some years back and buy a 1 to 3 year old now. However, I would probably change at 1,000 and again at 4,000 and then every 5,000 so it's easier to keep up with by the odometer.