How's being an open source a requirement? One would want to use an external service, because... well... it's a service. You are paying for someone else to main

How's being an open source a requirement? One would want to use an external service, because... well... it's a service. You are paying for someone else to maintain the system and care about the uptime, scalability, security, etc. You surely do not imply that you would pay grove.io simply because you can't bring your own IRC server up, do you?