I can list some pros (comparing to debian:stable-slim) for Minideb: It is easy to build, has good documentation, has no blobs committed in the repo, is automatically built and tested on a daily basis.

Worth also mentioning it is the base image for ALL the Bitnami Containers that at the same time are also automatically built, updated and tested. You can take a look at all of them in Github. There are a ton of them