It doesn't really matter you like Primarina or not. But Primarina is popular more than Blastoise, Felaligatr, Swampert, Empoleon and Samurott. That is a fact!!! This is the true!!!

Primarina even have her own theme song aka "Primarina (Official music video)"
https://www.youtube.com/watch?v=Gj5L9SYhoSE

Primarina girl ... Yeah
All I ever wanted was the world
I can't help that I need it all