Protesters a few generations ago figured out that you can grab a nearby dumpster and set it on fire to cause even more disruption to an intersection. The fact that it still doesn’t happen very often demonstrates that not every threat is worth worrying about.
There is also no security around the systems that change traffic lights for emergency vehicles. In fact most of them can be defeated using a handheld flashlight. Yet we don’t see problems with that either.
There is also no security around the systems that change traffic lights for emergency vehicles. In fact most of them can be defeated using a handheld flashlight. Yet we don’t see problems with that either.