1. Failure of not being able to evolve with time, and improve. 2. Degradation of value out of commenting system. 3. The bias quotient and compartmentalized thi

1. Failure of not being able to evolve with time, and improve. 2. Degradation of value out of commenting system. 3. The bias quotient and compartmentalized thinking process towards stories being selected for front page. 4. The influx of Redditors.