For me hoarding stuff falls into two categories: "I might need it later", and sentimentality. Your point covers 1, but not 2. However, smartphone cameras have l

For me hoarding stuff falls into two categories: "I might need it later", and sentimentality. Your point covers 1, but not 2. However, smartphone cameras have largely solved 2 fore: I take a bunch of photos of the sentimental object so I can remember it later, then I don't feel so guilty tossing it.