The thing you're touching on here I think is also some degree of freedom for iterative and spontaneous revision/change. A searchable catalog is great when you a

The thing you're touching on here I think is also some degree of freedom for iterative and spontaneous revision/change. A searchable catalog is great when you already know what you need. A catalog is also great when you have no idea what you need, but there's a huge delay in the feedback loop with a catalog compared to bins. To empower a discovery process during creation, it helps to have "saturated space" or something akin to untold quantities and varieties of "bins".