Living in a city with an effective transit system, such as Boston or NYC, gives so much freedom to go anywhere anytime that you just can’t do with cars. It’s definitely something we need to work toward, and imagine how much better a good transit system would be.
The same with intercity rail: it’s so much faster and easier traveling Boston —> NYC with Acela than by driving or flying, and there’s no reason we can’t have similar serving most of the population (not area, but population)! Or imagine leveling up to high speed rail!
But some locations and usages will always be best served by personal vehicles , and transit will take decades, even if our politicians start funding it adequately