Public policies are designed to work on populations, massive number of people - not anecdotal evidences like these.
And taxing private transportation / providing incentives for public transportation does not only benefit our health, it also bring other benefits; global warming issues, dependency on fossil fuels, etc
"According to the study, putting a specification in place before development begins can result in a 50 percent increase in success, and making sure the requirements are accurate to the real-world problem can lead to a 57 percent increase"
Thank You Captain Obvious
So when the project spec is unclear? And/or changed during project?
Abandon ship??
Or, utilize a methodology that's capable in adapting to mid-project changes....?