Not to say she isn't very talented, but she won first place in the under 5 division, and won it playing the same song that wins pretty much every year (because it's one of the more impressive pieces that can be played with small hands).
Here's 2020's winner (also 4 years old) playing the same song.
https://www.youtube.com/watch?v=JOEN1q9WnmI
And here's 2022 winner (also 4 years old) playing a more difficult song: