> What do you think would happen to the value of your home if the government, say, shut down the public road connecting it to the rest of society?

Depends on where you live. Property values could actually increase! Portland, Oregon, for example.

Disclaimer: Since so many these days have lost the capacity to recognize and accept it...that was a lame attempt at humor. Please don't lose your shit over it. This is called a "joke". Jokes were an accepted form of social interaction many decades ago.

https://www.dictionary.com/browse/joke