While they quickly acknowledge that integrating by means of a database is widely regarded as an anti-pattern, the rest of the article doesn't really address why this wouldn't be an anti-pattern, other than to pretend that the major reasons for avoiding this pattern are deployment complexity and furnishing multi-region services.

> A customer pattern we see solves this problem, and it’s the integration database pattern. This pattern went out of style in the 90s along with Oracle servers in the closet and dedicated DBAs, but with technological advances like scalable multi-region transactions and serverless computing resources, its utility has returned.

Considering they are flogging a product, this feels especially dishonest to me.