I think these are all really bad analogies. I doubt people will make "unnecessary" trips using public transportation just because it's free. Most people that al

I think these are all really bad analogies. I doubt people will make "unnecessary" trips using public transportation just because it's free. Most people that already use it have some kind of subscription where they pay a fixed amount every week/month/year and don't try to spend as much time as possible using it. I can only see this happening if you make long distance transportation free and suddenly people go on day trips every weekend.