<i>Others have gone before us...why not learn from where they&#x27;ve done well and not so well?</i><p>I have looked at that, and I have learned from both them and experience that authentication and authorization tends to turn into a rabbit hole that takes a lot of effort for very little return.  You can do a surprisingly long time with a simple approach, and for most people it isn&#x27;t worth trying to consider doing anything else.