I completely disagree. Many language learning tasks are just memorization. English spelling or grammar for example. There aren't rules, you just have to memorize it.

>It just sticks in your brain

yeah, that's how I feel with flashcards/anki. After doing it a bunch, it's just there in your brain.

>When learning to ride a bike You don’t memorize when to move your legs.

I mean, isn't that exactly what muscle memory is? https://en.wikipedia.org/wiki/Muscle_memory