It took a fair amount of reading between the lines, but here's what appears to have happened:
1) People and entities with partial control over RubyGems attempted to cancel DHH.
2) In response, elements aligned with DHH kicked the former out of RubyGems.
3) Everyone involved is now attempting to legitimize their motives as "good engineering."
In other words, "When you play the game of thrones, you win or you die."
Not only is RabbitMQ durable, it has transactions with rollback. The entire set of problems the author describes are down to Reddit using Rabbit like Redis.
I've had my Hue setup change through 4 color schemes based on sunrise/sunset and time of day for a good few years now.
I'm not aware of any automagic way to achieve this result. You'll need to use all4hue, which is basically a wrapper app around the Hue API, to set up rules by hand.
Basically, you'll have a set of rules which update a variable based on the time of day. Then use this variable as a condition in every rule that turns on a light, and have another set of rules triggered by changes to this variable when a light is on. Not complicated, just tedious to program as you'll need 4 rules per light(group) for each of these categories.
But the results work with lights that stay on, lights turned on by dimmers, as well as with motion sensors. And most importantly, the entire thing runs on the bridge so no HomeKit needed. Well worth the effort IMO.