If you don't walk with confidence, you'll never cross the street. One bit of hesitation and you're going to cause a massive scooter crash. You have to treat your body like a car. Or at least a moped. Or at least a helmet. If you don't hit them, they won't hit you. Or something like that. Hopefully.
Here's a story about how a little coat of paint save thousands of lives (and probably many more). Before World War II, there weren't too many automobiles in Britain. But after the war, when cars started taking over the world, things started getting unacceptably fatal. Scientists had to invent a new kind of crosswalk.