Earlier quoted context omitted.
It's for the support in most cases. But last time I really used Oracle's RDBMS (10g era) it still had capabilities that no open source database had. If you really needed that, there wasn't an easy substitute. I'm sure Postgres has narrowed the gap by now.
In 2010-2015 when HN and Twitter or all social media at the time thought Postgres would take over the DB world in 10 years time. And yet Postgres 2025 ( ignoring extensions ) is still not competing well with Oracle / MSSQL in 2010-2015. And ignoring politics or preference MySQL is still in many ways better than Postgres. I am sure some day it would come. But it will likely take another 10 years. I just hope Neki + Or…
Enterprise has its own needs largely irrelevant to the rest of us.