What about a DBA who used to write client side code? What about a developer who is putting proof-of-concept stuff in a dev environment? As you said, this just

What about a DBA who used to write client side code? What about a developer who is putting proof-of-concept stuff in a dev environment? As you said, this just adds JS as yet another language to write stored procedures for PostgreSQL. There's no real need to disparage choice.