True for some people. But for people in third world countries like Australia where they have 20 Gb bandwidth caps, it would suck. Also harder for people to give games as gifts, and many people prefer having that physical game like you said. You can share it, sell it, whatever. Well, MS might block use games but I doubt Sony will.
Core i5 2500K @ 4.8 GHz || 16 GBs 1600 MHz DDR3 || Saphire Radeon HD 7970 || Dual 128 GB SSDs