The post critiques the current state of user interfaces, arguing they have become overly simplified and inconsistent, resulting in user fatigue. Some commenters emphasize that while flat designs and multimodal interactions have evolved, they often lack clarity and usability. Issues of discoverability, aesthetic choices overtaking functionality, and the balance between form and function in UI design are highlighted. The discussion indicates a shared desire for user interfaces that are both appealing and highly functional, adhering to conventions that enhance usability across different platforms.