[paulryanrogers]

The liberating value of unfenced lawns and yards?

If so I'd say it's great for playing as a kid. Kind of annoying for maintaining pets.

[diego_moita]

It is more than that. It is about the state of mind.

Feeling safe is precious, with cascading effects on personal health, community cohesion, civic participation, etc.

Remember the Maslow Pyramid of needs, where safety is the most basic one? Well, this is part of it.