Definitely earned it, we're already seeing a wave of indie games trying to capitalize on it's success.
Some games have a major impact on the game market by creating or popularizing a subgenre. Some previous examples are Slay the Spire, Stardew Valley, and Vampire Survivors. I think Balatro will be the same, and we'll see a huge number of games over the upcoming years trying to follow in it's footsteps.