LoL!
I was just thinking, things were different back then. You may need to check with law enforcement somewhere or a lawyer to make sure a suit can't be brought against you or something. Somebody could claim they were "innocently admiring the sign when all Hell broke lose, and now they've lost five fillings and can no longer have children."
LOL! I laughed out loud on that last part due to the visual.
Why would they have to touch the posts to admire a 7X8 foot sign? I've heard of being farsighted but dang!
I wouldn't actually do that. I was imagining as I read your post what would be fair comeuppance for thieves. There are a lot of vandals in this area and outright thieves.
Hubby bought one of those plastic Adirondack look alike chairs from Target this past summer.
Twenty-five bucks for sturdy plastic that will weather well outdoors beats the $375.00 price tag merchants in this area want for the wooden real thing. Spent nearly 20 on a really nice thick chair pad that was made for a lounger but fit that chair perfectly.
Used it for three days sitting at the bonfire pit in our back yard. Took it to a friends on the weekend for a loung party. BYOB & BYOC.
Left the chair in the SUV, and the pad of course. Left the windows down a quarter of the way because it was bluehella hot in mid July.
Come out the next morning and their gone. The chair and the pad. This means someone reached down and unlocked the door, opened the back door, reached in and took them both. Closed the doors, reached down, and locked the SUV back up. Our alarm system doesn't work because it's a 2004.
That's stones! Given we have vapor lights lining our driveway. But ever since a giant vacant parcel of land was sold to a kit-house developer everyone who was native to this area prior has had stuff go missing. One of the most pathetic steals? Cat dishes from off my back deck.
One of the second boldest? Stealing butterfly printed black knee high rain boots out of the back of my pickup truck. That were covered from the soles to the top with red mud!
Vandalism, graffiti on vacant retail shops in the area. One day a few years ago I'm walking up my driveway having just gotten the mail. I sense something behind me, no sound, so I turn and look over my shoulder. There's a car very very slowly driving up toward me but well back so as to not be right on my heels. I look at the driver, he's alone, and he nods and gives a little wave. He keeps coming.
It's my property, my drive, so I stay in the middle of the driveway walking the same pace. I get to the top of the drive and walk to the left to go to the house thinking this guy is lost. Lots of people use neighbors and my drive thinking we're a quick access point to the kit-house HOA community that sits in the middle of all of our properties. No. And somehow the No Trespassing sign doesn't clue people in either.
Nope, the guy keeps driving! Now I'm really interested. Because my drive goes all the way back then horseshoes around and meets back at the drive he'd just come up. One big round about. He drives about 1000 feet past me, gets out, opens the door behind the driver side, it's a four door sedan, gets a coat, puts it on. I hear the click as he auto-locks the doors. Then he walks away and cuts into the community next door.
STONES I'm telling ya, STONES!
So I call the cops. He abandoned a car on my property and blocked a means of access in my drive.
Guess what? They check the car out. It's stolen!

Broad daylight and noon on a weekday and it's stolen. What's the cop say, as he apprises me of the situation while the roll back tow company is loading the car? We see this all the time. Some people are like that. They don't have a car, they steal one, drive it to where they need to go, lock it up, and disappear.
I'm such an idiot. All these years I've been buying cars and insuring them.
Who knew?
That is why I vent. I'd never actually electrocute someone via a sign in my yard.
Though I will cure an atheist if they break into my house thinking to take the vandalism and theft to the next level.
Two thugs tried to break into my neighbors next door. The son is there taking care of his mom who has Alzheimer's. They started to break in using bricks through the windows on the front and back doors.
The son, armed, comes out and sees these guys, about 20, running. He puts two slugs into the ground to scare them and let them know what they're facing if they come back.
What did the cops do?
Made a report.
And then took his gun!
Ostensibly to see if it had been used in a crime. Then they'd return it. Shortly after, Covid-19 lock down hit. He calls the cop, asks when he can get the gun back. Cop says, well with the lock down we have no way of knowing. Never gave the guy a receipt for the gun btw. The guy says, well someone tried to break into my house with just me and my 93 year old mom here. What do I do without a gun to protect us if they come back?
What's this cop tell him?
Nobody lives forever.
I gave the guy one of mine. I only use hollow points. I like to make a statement. :)