This may seem like it's just meant to be funny, but evolution without changes in genes is literally the origin of the word "meme".
Memetic evolution (as opposed to genetic evolution) happens through passing information from generation to generation, so having the counterpoint just be "memes" is unbelievably accurate!
Furthermore it's beautiful that the evolutionary pressure hasn't changed. That there hasn't been a benefit from any of the genetic mutations. That the evolutionary pressure still applies to this day to ensure conformance with the perfect archetype.