I don't believe they are supposed to, in spite of the romantic marketing spin around the whole "he saw the legs off the table" shtick. They are, however, designed to be easily transported throughout the whole logistic chain up to the customer's home and to be easily assembled by everyone without specialized tools. However, some pieces of furniture require destructive build steps that aren't supposed to ever be undone, such as driving nails onto cardboard parts or driving wood screws onto particle board components, and the end result isn't exactly ready to be shipped across town in the back of a moving truck.
I don't believe they are supposed to, in spite of the romantic marketing spin around the whole "he saw the legs off the table" shtick. They are, however, designed to be easily transported throughout the whole logistic chain up to the customer's home and to be easily assembled by everyone without specialized tools. However, some pieces of furniture require destructive build steps that aren't supposed to ever be undone, such as driving nails onto cardboard parts or driving wood screws onto particle board components, and the end result isn't exactly ready to be shipped across town in the back of a moving truck.