Actually, the idea of Universal Superposition is an idea about 'singularity', as is String Theory, in a sense. And what about Duality vs. Singularity vs. Infinity vs...... It just depends on your focus. Personally, I think we have to think in all, both, and neither all at the same time in order to 'fully understand' something. Kind of like seeing an apple from all different angles, including temporally, from the inside, as an apple etc.. etc...