Speed is the rationale. I have zero hesitation to deploy and am extremely well practiced at decomposing changes into a series of small safe changes at this point. So maybe it's a single spelling correction, or perhaps it's the backend for a new service integration -- it's all the same to me.

Churn is kind of a loaded word, I'd just call it change. Improvements, efficiencies, additions and yes, of course, fixes.

It may be a little unfair to compare monoliths with distributed services when it comes to deployments. I often deploy three services (sometimes more) to implement a new feature, and that wouldn't be the case with a monolith. So 100% there is a lower number of deploys needed in that world (I know, I've been there). Unfortunately, there is also a natural friction that prevents deploying things as they become available. Google called that latency out in DORA for a reason.