Stop me if you already know this.
Thomas Crapper invented and held patents for many of the elements that make up modern toilets. His company was Thomas Crapper & Co.
The modern use of the word crap was derived from his business name.
So it's a strange branch of humor on display here that is self-referential but sometimes mistaken as ironic.
Yeah, I'm a big fuddy duddy for bringing this up. You can thank me for ruining the last vestiges of joy in this turbulent World. I'll surrender my sense of humor card since I apparently have none.
Well, thankfully, I have a sense of humor AND I love to learn—so, no harm done. I did the research after I made the meme, but figured I wouldn’t get caught. Lol. Wrong. Hahaha.