Poor societies can't afford the luxury of throwaway architecture. With the cheap prefab construction today, you're lucky if your commercial building lasts until

Poor societies can't afford the luxury of throwaway architecture. With the cheap prefab construction today, you're lucky if your commercial building lasts until the mortgage is paid off. By then you'll want to rip it down and reconfigure it to the new retail hotness anyway - witness the number of '80s-era strip-malls currently getting rebuilt into big-box plazas.