> According to you being among strangers is already uncomfortable, so by your logic comfortable _public_ transportation is impossible.

Being among strangers is less comfortable than driving alone. A big part of comfort is being able to control your environment. Are you saying you wouldn't care if random strangers started walking around your house every day?

It is not necessary to be among strangers in public transportation - there are many trains that provide private cabins. It's just cheaper to not have them and just cram everyone into a one big room.

> You don't get to blame McDonalds for pollution if you choose to eat a Big Mac there every day.

I disagree. If McDonalds is polluting the environment, the government is to blame for not stopping them. Consumers are not, as they individually can't do anything about them.

You seem to imply that consumers should magically synchronize and all stop eating McDonalds at the same time to teach them a lesson, but I hope you see how that's just a pipe dream.

> It is not necessary to be among strangers in public transportation - there are many trains that provide private cabins. It's just cheaper to not have them and just cram everyone into a one big room.

This is totally impossible for urban transport like trams or buses. When you walk on the street, you're among strangers. It's exactly the same. This idea of travelling around in the city in your private little bubble is a half-century old luxury and not the standard (unless you were an aristocrat).

> If McDonalds is polluting the environment, the government is to blame for not stopping them. Consumers are not, as they individually can't do anything about them.

> You seem to imply that consumers should magically synchronize and all stop eating McDonalds at the same time to teach them a lesson, but I hope you see how that's just a pipe dream.

It's exactly the same argument as with democracy. No individual voter can decide the election but they have an individual responsibility to act according to their values. If many individuals vote with a spine, the dictator won't get elected. If many individuals consume with a spine, polluting companies will go out of business.