> This is hand-waved away because, I guess, consistency is boring and user expectations are low or irrelevant. It's probably handwaved away because Facebook fi

> This is hand-waved away because, I guess, consistency is boring and user expectations are low or irrelevant. It's probably handwaved away because Facebook finds eventual consistency plus pubsub for updates to be good enough most of the time, and wants to shift the memory and CPU costs of calculating JOINs into the easily scalable GraphQL layer instead of the data store.