Stonebreaker's Ingres Papers revenge. The Berkeley IT crowd was remarkably generative of good and enduring outcomes. Their Free/Open Cathedral efforts still anchor our frothier bazaars. Great read.
There are vast real world application domains globally where Postgres one stop shopping for both infrastructure, dev targeting, training and MRO is the clear win with negative returns on BFC better faster cheaper.
Good enough and comfortably familiar haptics is really important. The worldly focus brings us worldly wins. We apply the applied math tools to human concerns to find jobs solving problems and not get jobs to solve our problems. Balancing those two sets of problem is the act.