Like not even close. Even if we aren't judging each on the difficulty of memorizing a two second emote or dance versus an entire novel, things that are physical are more easily learned.
Ask yourself this, did they have to commit themselves to memorizing all of if? No, they casually memorized them all through watching it. No one has ever casually memorized a novel on accident.
Plus memorizing literature is unquestionably more valuable than learning what some micro-celebrity that doesn't fucking matter is making faces about.
Counter counterpoint: my generation had enough memory capacity to be able memorize the works of Homer Simpson and to quote him regularly. Children adapt to whatever is relevant at the time of their upbringing.