It's funny that this line of defense is sincerely attempted here, as it's so absurd that it's actually the punchline of an SMBC comic. And honestly, one of my favorite ones that I find genuinely very funny.

>Lawyer: Okay, let's say my client killed his wife. What about the people he didn't kill?! That's six billion people! Don't they matter? Don't they matter?!

>Caption: In an alternate universe, Jeffrey Dahmer has a thank you parade every year.

https://smbc-comics.com/index.php?db=comics&id=299