I don't want to excuse his opinions but that's the sort of event that can change a person.
He did online chats, and did one immediately after. It's a tough watch. https://x.com/ScottAdamsSays/status/1046764270128484352
The description of reality is not at all the same as supporting it. "Is" vs. "Ought to be".
In fact, growing up in the very affluent part of my city, I saw a bunch of kids die using opiates to mentally escape the weird family fiefdoms where they [p/m]atriarch inexplicably wouldn't ever need for money, so went completely off the rails mentally. I was prescribed a bunch of opiates (including fent) after a bad ski accident, and can tell you that they basically work by turning down the volume on life around you. I can understand why someone would turn to them to mentally escape a bad family life.
About the only good thing I can say about recreational Xanax is that those kids are generally still alive in contrast to the ones who preferred opiates.
But his (first) divorce was in 2014 and his blog posts already seemed bitter around that time.
Edit: as another comment points out, it was a few years even earlier than that so I stand corrected.