The closest bus to me is about a 1.5 hour walk, with the path options either being, the side of a 70 mph highway, or the side of 45 mph side roads (no sidewalks).
The bus pass would just take up space in my wallet and nothing more.
I work from home to reduce my car usage dramatically, and already pay annual taxes on the car itself as well as every gallon of gas (in top of standard sales tax) that goes into it. The car is 15 years old and gets over 30mpg.
Your 'easy' solution requires uprooting people's lives dramatically and is, dare I say it, an incredibly naive take on the real problems that the planet, nations, and individual people actually have.
And before you say 'move somewhere with people' I do live where people are, I live in between two of the biggest cities in my state, moving closer to those cities requires a) a huge sum of liquid cash, and b) a huge increase in my cost of living.
Think critically about the world you are in, have perspective about other people's living situations, and have respect for your peers. Blanket solutions are historically ineffective.