> It could have been easy. We could have used Postgres. And then all that would have been left is just to make that Postgres in a globally distributed DB and m

> It could have been easy. We could have used Postgres. And then all that would have been left is just to make that Postgres in a globally distributed DB and manage it (with something like Citus). Postgres' native scaling out (not even talking about globally distributed) capabilities are basically nonexistent so you need third party tooling.