It seems to me the idea of premise liability should probably be re-evaluated. When a place is not open to the public, and especially when someone is trespassing, the bar for liability should be quite high.

For those downvoting me I'd really like to hear a supporting argument as-to why I should let your kids roam my property? One that doesn't posit a world different than it is today - I don't want to hear how it SHOULD be... that's moot.

I refuse to take liability and/or responsibility for people on my property that are there without my permission. If I find someone on my property who is there without permission I have a full lawful right to ask them to leave immediately as they are TRESPASSING.

YOUR children are not MY responsibility.

Or just teach them to not go into other people's property? I didn't when I was their age. Families had fences to designate property.