>Obviously if you take the random strangers off the street and invite them to your home, have a deep personal conversation, lend them money, ask them to take care of your kids, start kissing them, or whatever your definition is for a “close interaction”, they sort of stop being strangers at that point, and you are more likely to get into some altercation

In other words, you agree that you shouldn't lower your defenses for a random stranger, you only disagree about where the stranger/acquaintance boundary exists.

As for the other point: do you actually know that the risk is lower conditional on you not using standard countermeasures (that probably exist because of the legit risk)? Have you stopped locking your car, and started leaving your wallet out where it's easy to get to? Walked home alone through dangerous neighborhoods? If not, why not?

Don't equate the post-countermeasure crime rate with safety.