I've seen this go badly even when the first responders are the ones configuring the alerts. For example those getting paged for slow app response times want DB

I've seen this go badly even when the first responders are the ones configuring the alerts. For example those getting paged for slow app response times want DBAs to be paged for slow query performance who in turn want System Admins to be paged for high disk latency, etc. These are all reasonable requests but weren't always implemented due to poor communication and/or team relationships.