I really don't see how knowing someone's real identity would help; I still have 0 way to vet them. What I care about is that there are repercussions (jail, law

I really don't see how knowing someone's real identity would help; I still have 0 way to vet them. What I care about is that there are repercussions (jail, lawsuit, etc) if they do vandalize my dwelling - so the probability becomes near-zero that something bad will happen.