Part of it is that interfaces that require "walking" through a space or looking around for things in a 3D space are terrible if there's no inherent justificatio

Part of it is that interfaces that require "walking" through a space or looking around for things in a 3D space are terrible if there's no inherent justification for the movement (as there is in a game of exploration). I don't want to have to navigate a space in order to find something. Navigating space is a limitation of physical objects; replicating it in an online environment is an error. It's like if automobiles were designed so that steering and speed were controlled with reins.