I think this: "* The technology just got mature enough that it's not exciting to write about, but it's still really widely used."
Messaging-based architecture is very popular
Messaging-based architecture is very popular
I wouldn't call their use super interesting, though.
The last role was simply because the business required as close to real time message processing as possible for billing analytics. But if I tell someone that, it's not incredibly interesting unless I start diving into messages per second and such.
Every new idea goes through the same cycle of overuse until it finds its niches.
It used to be popular to post about rewriting angular to react. Now everyone just uses react (or they write posts about rewriting react to vue or whatever the flavor of the month)