Are you sure you read the article? The very first sentence of the article is, "Enshittification is the pattern of decreasing quality observed in online services and products[.]" (Emphasis added.) If the quality remains the same, or improves, it's by definition not decreasing, and therefore not enshitification. Furthermore, as other people pointed out, this is a reference to two sided marketplaces.

Just because there's a new buzzword, doesn't mean it applies. In fact, it usually doesn't.