memes

Within your example, at least your four cylinders aren't spewing lead and smog into your lungs and is massively more efficient. If someone runs a red in front of you, you are much more likely to survive. It can go much longer without any overhaul or tune up. You aren't having to regularly manually adjust your valves. When you panic brake, you no longer have to pump your brakes. Your car is adjusting breaking to motivate roll over by vectoring brakes too. For other people, they have cars that can largely drive themselves, avoid combusting any gasoline at all, and are more likely to avoid some accidents altogether with automatic emergency braking.

Going outside that, you have pervasive data connectivity, cheap high definition 100" screens, watches that would put the computers of 1969 to shame, a massively improved prognosis for many diseases notably including a whole bunch of cancers, brain implants that help Parkinson's patients have better motor control. Air conditioning is much more likely to be available, affordable, and effective.

Different areas have certain difficulty curves, basically moving a car is constrained by physics, the heavier than air flight and rocketry similarly have physics challenges that reared their heads quickly. Massive medical, computing, electronics, and connectivity have happened over the last 50 years, as well as a huge number of other advances I'm not thinking about. We have a number of issues that we haven't fixed, or really can't be fixed by tech.