I worked in a restaurant kitchen for years. I'm renowned in my circles for my culinary skill. Mac'n'cheese is a perfectly valid food with ample opportunity for expression of culinary skill. Stop being a hater.

Sorry that a bechamel based sauce baked into pasta isn't really cooking in your eyes. I've made both carbonara (back when I ate meat) and baked mac and cheese, the latter of which was a much higher effort production