Everyone knows graphics are important for games, but gamers acknowledge that there’s something even more important than graphics: the game. A good game is a game that’s challenging and fun. Graphics, while important, don’t make a game.
But most modern players expect graphics in their games, and given that you’re programming for a graphical game engine, you do need graphics. And if you’re going to have graphics in your game, you want them to look as good as possible.
If you’re not a natural illustrator and don’t have access to one, making your graphics look good seems like a tall order. And ...