• Imagine a group of people
• You look around and notice that there are no ghosts in that group of people
• Now you need to check if you are a ghost, which you can’t check
• Therefore, it’s statistically likely that you are a ghost if nobody you know is a ghost

No, it’s correct - say your password gets leaked across thousands of passwords. A hacker will try to crack all of them with a program that guesses them once, which as the image suggests defeats these types of programs