Posting this not because I agree with it but because the subject has come up here a couple of times.
<https://www.clever-cloud.com/blog/engineering/2015/05/20/Why-Auto-Increment-Is-A-Terrible-Idea/> "Today, I?ll talk about why we stopped using serial integers for our primary keys, and why we?re now extensively using Universally Unique IDs (or UUIDs) almost everywhere." Simon.
