More than 20 years, peak car ridership occurred in the 1970s which was close to 80% of urban transportation done by car. That number is now down to 19% of all urban transportation done by car.
Amsterdam also had backing from the public to transition to bike and public transportation.
Absolutely we should invest in public transportation! And you are right that cities have decided to create public transportation, and then did! But it took a decade plus to plan, build and implant the new system. That's also ignoring the millions and billions of dollars needed.
One way I thought of to encourage long form content and high quality, is to limit the number of short form content from users.
I imagined every week users would be granted 14 comments that are limited to 250 characters and unlimited long form content. You could also grant more short form comments with every long form comment or with every new oc post.
The only issue would be that long form does not mean high quality and with chatgpt it'll be easy to create long form posts. Maybe an AI system that evaluates the quality of the post could work but then gaming the system would happen.
Just a thought I had, the numbers about the length and amount of posts could be optimized or use an AI