Because these are Postgres-specific features I think. I suspect that for a lot of developers, the only database features they use are the ones their ORM of cho

Because these are Postgres-specific features I think. I suspect that for a lot of developers, the only database features they use are the ones their ORM of choice supports. The popular ORMs out there tend to be database-agnostic, which means they'll only natively support the lowest-common-denominator database features.