Sorry you don't like it, feel free to play a game to your tastes.
Now to answer: the game has been in development for more than 3 years and many artists came and left, I currently have 2 artists working on characters and scenes and 1 artist working on backgrounds.
Both are imho really good and we redo old art that is not good enough little by little. All character sprites (during dialogues) are from the same artist and I love his work :)