Execution Memes

The joke hinges on the double meaning of "executed" in programming versus real life. In code, statements are lines that perform actions and are "executed" by the compiler or interpreter. Comments, on the other hand, are ignored during execution—they're just notes for humans. So the statement was "scared" because it was going to be executed (run by the computer), while the comment could chill out since it would be completely ignored. It's basically the programming equivalent of being sent to the gallows versus getting a free pass!