As a person with a car who has used the bus instead in certain situations:

Bus gets you there with no effort, you can read instead of driving, it's safer, and you don't have to pay for parking. When in college here it's also free, and at every house I've lived in, there has been one bus that goes from said neighborhood (within a couple of blocks) directly to the college, so I never drove there because the bus was way more convenient.

Bus is an extra mode of transportation in a household with more drivers than cars. So I've taken the bus to work, sometimes for years, so that someone else in my household could use the car to go to their job, farther away in the other direction.

Some people should not or cannot drive. At every place I've worked there has been at least one guy (yes always a guy) whose license was revoked for DUI. So they had a car but couldn't use it.

Cars also sometimes break down! Living near bus lines has saved me on occasion when my car was out of commission.

Car insurance here is crazy expensive, partly because everybody and their grandma is driving even if they ought not be. The world is not getting younger. You want to be on the road with a bunch of people who are not clear minded? Or you want them to have other options for getting around? One day that will be you, too.