This part of the article where he describes crunching through some additional user data unnerves me: "It was like pressing a field of livestock into the sausage

This part of the article where he describes crunching through some additional user data unnerves me: "It was like pressing a field of livestock into the sausage grinder, and getting out one hot dog as a result. And Facebook users are a very large herd." Sometimes I wonder if from a high level, that's how Facebook sees users' data ("field of livestock") that goes into the data processing engine ("sausage grinder").