I get the joke here... but also... To really use excel you need to know a little about boolean logic, and computer programming. excel is practically a complete programing language and a powerful environment for processing information.
The graph in this meme should just keep going up.
I mean at minimum it should be on a level with algebra. How can you use a spreadsheet and not get variables?
(I wish we had quote tweet so bad, but follow up to see what I mean)