In recent years, Paradox Interactive has developed a nasty tradition of appointing newbies to develop additions to their games and, as a result, receive a buggy piece of code instead of a normal addon. Such a story happened with the Leviathan expansion for Europa Universalis 4. And now the Overlord expansion for Stellaris.
Game director Stellaris Stephen Murray, appointed to this post just a couple of months ago, has already taken all the blame:
In an attempt to release Overlord as polished as possible, I approved a few changes and innovations at the last minute, which I shouldn’t have done. It was noted in several threads that there are bugs in the release version that were not on the pre-release streams, and this is true.
An example of such changes is the willingness of the AI to agree to tithing and subsidies written in the code. We did this to fix a discovered exploit, although it would have been better to give it up, add it to the list of known bugs, and run the changes through our QA department, rather than rushing them in at the last moment. I will be more careful in the future.
The studio promised to fix some of the bugs in the first major patch, including returning racial diversity to the human race, which currently consists entirely of Asians.