The main take-way is, the design of the system is not fluid enough to scale up or down based on the demand. Rather, it has too many bottlenecks for it to choke and eventually die.
lol. I worked at Amazon as a SDE and this reply is from Typical shit EM from Amazon. Empathy triumphs your weird corporate logic. Don't just work backwards putting yourself in the customer shoes, learn to work backwards from your report's shoes too.