Unless it’s for roads and parking.

I believe you, but I’d still like to see it first.

Why didn’t the eagles simply drop Frodo an e-bike?

Yes we do. REM in Montréal, skytrain in Vancouver

Sure, but it is about 4% as many injuries as cars, and about 0.2% as many fatalities. https://medium.com/vision-zero-cities-journal/the-myth-of-the-demon-biker-64cb24939cd6

Also, the majority of these collisions are caused by not having proper segregation of road users. Cyclists and pedestrians get slammed into the margins of roads dedicated to cars, causing the conflicts.

Adopting zision zero solves the problem regardless.