My biggest issue with "feature rich" is that unless you have strict control over your developers' usage (which won't happen in most large companies), you'll ine

My biggest issue with "feature rich" is that unless you have strict control over your developers' usage (which won't happen in most large companies), you'll inevitably have all sorts of bloat used by various teams in your organization, which just adds to the cognitive overhead for anyone who needs to work on those services. You know the old adage: once you provide something in the API, you'll have to support it forever.