>> Currently the best PG driver[1] depends on a single guy.
> Definitely a problem, but funding good Postgres/MongoDB/SQLite should be handled by AWS, Microsoft, Google, and other orgs that sell database services.
A good chunk of PG development is done by employees of those companies (*). Of course they could (and probably should) always do more. But even if they invest more, it's not obvious that the marginal effort is best invested in some language's drivers...
Disclaimer: I'm paid by one of those big companies.