While entertaining, this is nothing novel for anyone who's been to college during move-in/move-out days.
Quite simply, it's not worth people's time/effort to dispose of these items in another manner given the exhibited nature of these events and limited travel (esp. airline) cargo capacity. Most folks are simply making the best use of the economic utilities provided to them.
FWIW, some universities offer convenient "bulk disposal/donation" sites on-campus and some clubs/sororities/fraternities volunteer to help managing the logistics.
Quite simply, it's not worth people's time/effort to dispose of these items in another manner given the exhibited nature of these events and limited travel (esp. airline) cargo capacity. Most folks are simply making the best use of the economic utilities provided to them.
FWIW, some universities offer convenient "bulk disposal/donation" sites on-campus and some clubs/sororities/fraternities volunteer to help managing the logistics.