PC is a different situation I'm afraid. They've been constantly doing different changes to make curated playlists on PC to try to alleviate issues with matchmaking in low population areas. More information on that here: https://twitter.com/TreyarchPC/status/1117856605637435397
Putting on my fortune teller's hat: This is not going to go over very well.
Oh it definitely already hasn't, even when they first announced the decision to do curated playlists for South America and South Africa. Definitely a tough spot though since they of course want people to quickly find matches and have all options available to them, but at the same time if those regions have few players in them and if they leave everything alone all of the complaints will instead be how hard it is to find full matches.