The goal of Bret Victor's interactive visualization work is to take concepts that are inconceivable (because, as you say, they are not immediately tractable to

The goal of Bret Victor's interactive visualization work is to take concepts that are inconceivable (because, as you say, they are not immediately tractable to spatialization) and, through clever transformation, MAKE them conceivable. Are there "inputs" where this doesn't work? Maybe — but I'm not sure where they could be found in nature.