Rob them yourself.
Jokes aside: they are mostly dead so pretty safe no one takes anything from them. One still lives but doesn't use anything but the phone. Once shouted at a poor lady calling her because she thought it'd be a scam ^^ pretty safe but you can never be safe enough of course
infrastructure in general - even beyond IT. No one sits at home thinking: The sewer system is great! How reliably my shit vanishes from my toilet! Until it doesn't.