Etudes isolate a single piano technique. Some etudes explore scale playing in a musical way, others such as the one above, work on arpeggios. The composers all believe that through careful training of basic techniques a stronger more musical student will emerge.
This is like how soccer and hockey coaching works.
A good coach understands that just running around the field or rink is not going to make a winning team.
Have fun, lean in.
If I can help you, call me.
You've got to learn your instrument. Then, you practice, practice, practice. And then, when you finally get up there on the bandstand, forget all that and just wail.
I'm a professional pianist and music educator in West Toronto Ontario. I'm also a devoted student and teacher of the drums.