What is the typical user/customer of this system ? I've found it very hard to get customers to spend time configuring a motoring system, let alone writing any scripts to gather data.
https://prometheus.io/blog/2016/03/23/interview-with-life360... and https://prometheus.io/blog/2016/05/01/interview-with-showmax... look at two of our users.
Read more here: https://prometheus.io/docs/introduction/overview/ and here: https://prometheus.io/community/
A lot of open-source projects (Kubernetes, Etcd, ...) are also exposing native Prometheus metrics now, making it easier to integrate with those.
EDIT: also check the PromCon schedule for other user companies giving talks: https://promcon.io/schedule/
And the sponsors are also users: https://promcon.io/#our-sponsors