Article title is pure click-bait. PgBouncer adds complexity. If you need it, you need it. If you don't need it, then you added complexity for nothing.

> since neither IBM nor Oracle is a service that any self-respecting person not part of an enterprise sales cycle would actually use

Author needs a serious ego check. There are legitimate engineering reasons to pick IBM Cloud (like if you need to support Z mainframes, which you will sometimes need if you sell to those enterprise folk) as well as Oracle Cloud (they built datacenters in cities that are not served by other cloud providers and can thus offer the lowest latency). These reasons may not be common, but they're certainly legitimate.