How does this help you at all when buying used? The number of 15 year old cars with maintenance records at all is abysmally small. And usually it’s an enthusiast car that’s not gonna be reliable anyway. Being on top of tire pressure and oil changes is definitely not nearly enough to keep a car maintained for 15 years. It really sounds like you’re not familiar enough with cars and just have a contrived idealistic view of the car market.
They are sideview mirrors. Most people do not have them where they should be and instead have three mirrors pointing to the rear, showing basically the same thing. Why turn your head away from the front when a quick look to the mirror is safer?