A neighbor of mine has an unsecured belkin router based on what I see in my
wireless networks.

I can actually connect and use his internet connection (3 bars) but I have
my own (five bars) so that in and of itself is of limited interest to me.

Still, I wonder.

It's almost as if he's extended a palms-out open invitation to me to do
something, anything. (Am I a bad person for even thinking this?)

There must be some reason people go to the trouble to secure their routers
(mine, for example, is secured with a password at least).

May I ask what earthly advantage would it be to have the good fortune of
unfettered access to my neighbor's wireles router short of mischief?

What would I want to do that would be of benefit?